chemistry-class-12-unit-11-chapter-06-ethers-l-6-6-xx06g66m0sq

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Ethers Lecture-6</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Ethers</B></primary></p>
<hr>
<main>
<div style='float: left; width:100%;'>
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<p><img alt="image" src="/subject-images/iitpal/image/chemistry-class-12-unit-11-chapter-06-ethers-l-6_6-xx06g66m0sq-01.jpg"></p>
</div>
</main>
<hr>
<footer style="font-size:18px;"> <span style="color:blue">Ethers</span> $\rightarrow$ Physical properties $\rightarrow$ Structure $\rightarrow$ Determing hydroperoxides $\rightarrow$ Removal of peroxide impurities $\rightarrow$ Synthesis / preparation of ethers $\rightarrow$ Alkoxy mercuration demercuration $\rightarrow$ Alkyl aryl ethers $\rightarrow$ Cyclic ethers $\rightarrow$ Dehydration of diods $\rightarrow$ Chemical reactions of ethers $\rightarrow$ Structure $\rightarrow$ Oxiranes $\rightarrow$ Stereochemical aspect $\rightarrow$ Carbocation $\rightarrow$ Structure $\rightarrow$ Claisen Rearrangement </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Ethers Lecture-6</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Ethers</B></primary></p>
<hr>
<main>
<div style='float: left; width:60%;font-size:22px;text-align:left'>
<ul>
<li>
<p>< H O H = 1 0 4 .5°</p>
</li>
<li>
<p>< R O H = 1 0 8 .5°</p>
</li>
<li>
<p>$R = CH_3$</p>
</li>
<li>
<p>$CH_3 OCH_3$</p>
</li>
<li>
<p>< C O C = 111. 7°</p>
</li>
<li>
<p>Polar molecules</p>
</li>
<li>
<p>Net dipole moment</p>
</li>
</ul>
</div>
<div style='float: right; width:40%;'>

<img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/67978c06-bcde-4822-2c7a-bc8063cd7100/public" width="100%">
</div>
</main>
<hr>
<footer style="font-size:18px;"> <span style="color:blue">Ethers</span> $\rightarrow$ Physical properties $\rightarrow$ Structure $\rightarrow$ Determing hydroperoxides $\rightarrow$ Removal of peroxide impurities $\rightarrow$ Synthesis / preparation of ethers $\rightarrow$ Alkoxy mercuration demercuration $\rightarrow$ Alkyl aryl ethers $\rightarrow$ Cyclic ethers $\rightarrow$ Dehydration of diods $\rightarrow$ Chemical reactions of ethers $\rightarrow$ Structure $\rightarrow$ Oxiranes $\rightarrow$ Stereochemical aspect $\rightarrow$ Carbocation $\rightarrow$ Structure $\rightarrow$ Claisen Rearrangement </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Ethers Lecture-6</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Ethers</B></primary></p>
<hr>
<main>
<div style='float: left; width:60%;font-size:22px;text-align:left'>
<p><strong>Physical properties -</strong></p>
<ul>
<li>Bpt - similar to corresponding alkanes</li>
</ul>
<ul>
<li>power there the alcohols</li>
</ul>
<ul>
<li>
<p>n-heptane methyl-n-pentyl ether n-hexyl alcohal</p>
</li>
<li>
<p>(98 100 157०)</p>
</li>
</ul>
<ul>
<li>H bonding H-bonding</li>
</ul>
</div>
<div style='float: right; width:40%;'>
<img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/d2201c34-a41d-4fe8-e0cb-952732132100/public" width="100%">

</div>
</main>
<hr>
<footer style="font-size:18px;"> <span style="color:blue">Ethers</span> $\rightarrow$ Physical properties $\rightarrow$ Structure $\rightarrow$ Determing hydroperoxides $\rightarrow$ Removal of peroxide impurities $\rightarrow$ Synthesis / preparation of ethers $\rightarrow$ Alkoxy mercuration demercuration $\rightarrow$ Alkyl aryl ethers $\rightarrow$ Cyclic ethers $\rightarrow$ Dehydration of diods $\rightarrow$ Chemical reactions of ethers $\rightarrow$ Structure $\rightarrow$ Oxiranes $\rightarrow$ Stereochemical aspect $\rightarrow$ Carbocation $\rightarrow$ Structure $\rightarrow$ Claisen Rearrangement </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Ethers Lecture-6</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Physical properties</B></primary></p>
<hr>
<main>
<div style='float: left; width:60%;font-size:22px;text-align:left'>
<ul>
<li><strong>Solubility - varied</strong></li>
</ul>
<ul>
<li>
<p>solubility in water for ether varies</p>
</li>
<li>
<p>diethyl ether low THF completely solubility</p>
</li>
</ul>
<ul>
<li><strong>Applications -</strong></li>
</ul>
<ul>
<li>
<p>anaesthetic diethyl ether</p>
</li>
<li>
<p>solvent in extractions</p>
</li>
<li>
<p>preparation of Grignard reagents</p>
</li>
</ul>
</div>
<div style='float: right; width:40%;'>
<img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/d598a145-0887-4085-2b86-fb4235969d00/public" width="50%">

</div>
</main>
<hr>
<footer style="font-size:18px;"> Ethers $\rightarrow$ <span style="color:blue">Physical properties</span> $\rightarrow$ Structure $\rightarrow$ Determing hydroperoxides $\rightarrow$ Removal of peroxide impurities $\rightarrow$ Synthesis / preparation of ethers $\rightarrow$ Alkoxy mercuration demercuration $\rightarrow$ Alkyl aryl ethers $\rightarrow$ Cyclic ethers $\rightarrow$ Dehydration of diods $\rightarrow$ Chemical reactions of ethers $\rightarrow$ Structure $\rightarrow$ Oxiranes $\rightarrow$ Stereochemical aspect $\rightarrow$ Carbocation $\rightarrow$ Structure $\rightarrow$ Claisen Rearrangement </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Ethers Lecture-6</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Physical properties</B></primary></p>
<hr>
<main>
<div style='float: left; width:100%;font-size:22px;text-align:left'>
<ul>
<li><strong>Diethyl ether -</strong></li>
</ul>
<ul>
<li>
<p>b p. 35 ℃</p>
</li>
<li>
<p>Highly flammable water insoluble</p>
</li>
<li>
<p>Forms explosive peroxides with oxygen</p>
</li>
</ul>
</div>
<div style='float: right; width:0%;'>
<p><img alt="image" src="/subject-images/iitpal/image/chemistry-class-12-unit-11-chapter-06-ethers-l-6_6-xx06g66m0sq-05.jpg"></p>
</div>
</main>
<hr>
<footer style="font-size:18px;"> Ethers $\rightarrow$ <span style="color:blue">Physical properties</span> $\rightarrow$ Structure $\rightarrow$ Determing hydroperoxides $\rightarrow$ Removal of peroxide impurities $\rightarrow$ Synthesis / preparation of ethers $\rightarrow$ Alkoxy mercuration demercuration $\rightarrow$ Alkyl aryl ethers $\rightarrow$ Cyclic ethers $\rightarrow$ Dehydration of diods $\rightarrow$ Chemical reactions of ethers $\rightarrow$ Structure $\rightarrow$ Oxiranes $\rightarrow$ Stereochemical aspect $\rightarrow$ Carbocation $\rightarrow$ Structure $\rightarrow$ Claisen Rearrangement </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Ethers Lecture-6</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Structure</B></primary></p>
<hr>
<main>
<div style='float: left; width:100%;'>
<img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/49d9ea1f-912f-4ea4-e071-eebc62945b00/public" width="45%">
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<div style='float: right; width:0%;'>
<p><img alt="image" src="/subject-images/iitpal/image/chemistry-class-12-unit-11-chapter-06-ethers-l-6_6-xx06g66m0sq-06.jpg"></p>
</div>
</main>
<hr>
<footer style="font-size:18px;"> Ethers $\rightarrow$ Physical properties $\rightarrow$ <span style="color:blue">Structure</span> $\rightarrow$ Determing hydroperoxides $\rightarrow$ Removal of peroxide impurities $\rightarrow$ Synthesis / preparation of ethers $\rightarrow$ Alkoxy mercuration demercuration $\rightarrow$ Alkyl aryl ethers $\rightarrow$ Cyclic ethers $\rightarrow$ Dehydration of diods $\rightarrow$ Chemical reactions of ethers $\rightarrow$ Structure $\rightarrow$ Oxiranes $\rightarrow$ Stereochemical aspect $\rightarrow$ Carbocation $\rightarrow$ Structure $\rightarrow$ Claisen Rearrangement </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Ethers Lecture-6</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Determing hydroperoxides</B></primary></p>
<hr>
<main>
<div style='float: left; width:100%;font-size:22px;text-align:left'>
<ul>
<li><strong>Method of determing hydroperoxides</strong></li>
</ul>
<ol>
<li>KI test :</li>
</ol>
<p>ether (10 mL) + colution of KI (1 mL, 10% w/v) and a few drops of HCl</p>
<p>$\downarrow$</p>
<ul>
<li>$I_2$ (yellow) starch</li>
</ul>
<ol start="2">
<li>Ferro us ammonium sulphate + potassium thiocyanate. aq. solution</li>
</ol>
</div>
<div style='float: right; width:0%;'>
<p><img alt="image" src="/subject-images/iitpal/image/chemistry-class-12-unit-11-chapter-06-ethers-l-6_6-xx06g66m0sq-07.jpg"></p>
</div>
</main>
<hr>
<footer style="font-size:18px;"> Ethers $\rightarrow$ Physical properties $\rightarrow$ Structure $\rightarrow$ <span style="color:blue">Determing hydroperoxides</span> $\rightarrow$ Removal of peroxide impurities $\rightarrow$ Synthesis / preparation of ethers $\rightarrow$ Alkoxy mercuration demercuration $\rightarrow$ Alkyl aryl ethers $\rightarrow$ Cyclic ethers $\rightarrow$ Dehydration of diods $\rightarrow$ Chemical reactions of ethers $\rightarrow$ Structure $\rightarrow$ Oxiranes $\rightarrow$ Stereochemical aspect $\rightarrow$ Carbocation $\rightarrow$ Structure $\rightarrow$ Claisen Rearrangement </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Ethers Lecture-6</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Removal of peroxide impurities</B></primary></p>
<hr>
<main>
<div style='float: left; width:100%;font-size:22px;text-align:left'>
<ul>
<li>
<p>Peroxide $+fe^2 → fe^3$  SCN $fe (SCN)_n^{s-n}$ Red color n - 1 to 6</p>
</li>
<li>
<p>Washed with ferrous non solution (fe SOH reduces peroxide)</p>
</li>
<li>
<p>Distillation from conc, $H_2SO_4$ oxidizes peroxidos</p>
</li>
</ul>
</div>
<div style='float: right; width:0%;'>
<p><img alt="image" src="/subject-images/iitpal/image/chemistry-class-12-unit-11-chapter-06-ethers-l-6_6-xx06g66m0sq-08.jpg"></p>
</div>
</main>
<hr>
<footer style="font-size:18px;"> Ethers $\rightarrow$ Physical properties $\rightarrow$ Structure $\rightarrow$ Determing hydroperoxides $\rightarrow$ <span style="color:blue">Removal of peroxide impurities</span> $\rightarrow$ Synthesis / preparation of ethers $\rightarrow$ Alkoxy mercuration demercuration $\rightarrow$ Alkyl aryl ethers $\rightarrow$ Cyclic ethers $\rightarrow$ Dehydration of diods $\rightarrow$ Chemical reactions of ethers $\rightarrow$ Structure $\rightarrow$ Oxiranes $\rightarrow$ Stereochemical aspect $\rightarrow$ Carbocation $\rightarrow$ Structure $\rightarrow$ Claisen Rearrangement </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Ethers Lecture-6</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Synthesis / preparation of ethers</B></primary></p>
<hr>
<main>
<div style='float: left; width:100%;font-size:22px;text-align:left'>
<ul>
<li><strong>Williams or synthesis - unsymmetrical / symmetrical ethers</strong></li>
</ul>
<img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/5bf2b4c3-b17e-41c5-c064-47034404ce00/public" width="45%">
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<div style='float: right; width:0%;'>
<p><img alt="image" src="/subject-images/iitpal/image/chemistry-class-12-unit-11-chapter-06-ethers-l-6_6-xx06g66m0sq-09.jpg"></p>
</div>
</main>
<hr>
<footer style="font-size:18px;"> Ethers $\rightarrow$ Physical properties $\rightarrow$ Structure $\rightarrow$ Determing hydroperoxides $\rightarrow$ Removal of peroxide impurities $\rightarrow$ <span style="color:blue">Synthesis / preparation of ethers</span> $\rightarrow$ Alkoxy mercuration demercuration $\rightarrow$ Alkyl aryl ethers $\rightarrow$ Cyclic ethers $\rightarrow$ Dehydration of diods $\rightarrow$ Chemical reactions of ethers $\rightarrow$ Structure $\rightarrow$ Oxiranes $\rightarrow$ Stereochemical aspect $\rightarrow$ Carbocation $\rightarrow$ Structure $\rightarrow$ Claisen Rearrangement </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Ethers Lecture-6</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Synthesis / preparation of ethers</B></primary></p>
<hr>
<main>
<div style='float: left; width:60%;font-size:22px;text-align:left'>
<ul>
<li>Alkoxides</li>
</ul>
<ul>
<li>
<p>NES</p>
</li>
<li>
<p>Strong bases</p>
</li>
</ul>
<ul>
<li>
<p>Competing elimination reaction</p>
</li>
<li>
<p>2° & 3° R x →  elimination also seen</p>
</li>
</ul>
</div>
<div style='float: right; width:40%;'>
<img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/d33e56e8-7250-47a4-82b4-3dd9213adf00/public" width="100%">

</div>
</main>
<hr>
<footer style="font-size:18px;"> Ethers $\rightarrow$ Physical properties $\rightarrow$ Structure $\rightarrow$ Determing hydroperoxides $\rightarrow$ Removal of peroxide impurities $\rightarrow$ <span style="color:blue">Synthesis / preparation of ethers</span> $\rightarrow$ Alkoxy mercuration demercuration $\rightarrow$ Alkyl aryl ethers $\rightarrow$ Cyclic ethers $\rightarrow$ Dehydration of diods $\rightarrow$ Chemical reactions of ethers $\rightarrow$ Structure $\rightarrow$ Oxiranes $\rightarrow$ Stereochemical aspect $\rightarrow$ Carbocation $\rightarrow$ Structure $\rightarrow$ Claisen Rearrangement </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Ethers Lecture-6</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Alkoxy mercuration demercuration</B></primary></p>
<hr>
<main>
<div style='float: left; width:100%;'>
<img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/26140d89-e461-4798-1073-a5609779e100/public" width="60%">
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<div style='float: right; width:0%;'>
<p><img alt="image" src="/subject-images/iitpal/image/chemistry-class-12-unit-11-chapter-06-ethers-l-6_6-xx06g66m0sq-11.jpg"></p>
</div>
</main>
<hr>
<footer style="font-size:18px;"> Ethers $\rightarrow$ Physical properties $\rightarrow$ Structure $\rightarrow$ Determing hydroperoxides $\rightarrow$ Removal of peroxide impurities $\rightarrow$ Synthesis / preparation of ethers $\rightarrow$ <span style="color:blue">Alkoxy mercuration demercuration</span> $\rightarrow$ Alkyl aryl ethers $\rightarrow$ Cyclic ethers $\rightarrow$ Dehydration of diods $\rightarrow$ Chemical reactions of ethers $\rightarrow$ Structure $\rightarrow$ Oxiranes $\rightarrow$ Stereochemical aspect $\rightarrow$ Carbocation $\rightarrow$ Structure $\rightarrow$ Claisen Rearrangement </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Ethers Lecture-6</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Alkyl aryl ethers</B></primary></p>
<hr>
<main>
<div style='float: left; width:100%;font-size:22px;text-align:left'>
<img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/36ba3dd4-33d7-40c3-753b-b319bb108300/public" width="45%">
<ul>
<li>
<p>$(CH_3)_2 \longrightarrow$ dimethyl sulphate</p>
</li>
<li>
<p>$(CH_3)_2 SO_4 \longrightarrow$ cheaper reagent then methyl halides</p>
</li>
</ul>
</div>
<div style='float: right; width:0%;'>
<p><img alt="image" src="/subject-images/iitpal/image/chemistry-class-12-unit-11-chapter-06-ethers-l-6_6-xx06g66m0sq-12.jpg"></p>
</div>
</main>
<hr>
<footer style="font-size:18px;"> Ethers $\rightarrow$ Physical properties $\rightarrow$ Structure $\rightarrow$ Determing hydroperoxides $\rightarrow$ Removal of peroxide impurities $\rightarrow$ Synthesis / preparation of ethers $\rightarrow$ Alkoxy mercuration demercuration $\rightarrow$ <span style="color:blue">Alkyl aryl ethers</span> $\rightarrow$ Cyclic ethers $\rightarrow$ Dehydration of diods $\rightarrow$ Chemical reactions of ethers $\rightarrow$ Structure $\rightarrow$ Oxiranes $\rightarrow$ Stereochemical aspect $\rightarrow$ Carbocation $\rightarrow$ Structure $\rightarrow$ Claisen Rearrangement </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Ethers Lecture-6</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Cyclic ethers</B></primary></p>
<hr>
<main>
<div style='float: left; width:100%;font-size:22px;text-align:left'>
<img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/db6e1fd9-7dbc-4d08-35c8-ffaa04c8fa00/public" width="30%">
<ol>
<li><strong>air oxidation of ethylene</strong></li>
</ol>
<ul>
<li>$H_2C = CH_2 \quad \frac{O_{21}Ag_2O}{300^{\circ}C}$</li>
</ul>
</div>
<div style='float: right; width:0%;'>
<p><img alt="image" src="/subject-images/iitpal/image/chemistry-class-12-unit-11-chapter-06-ethers-l-6_6-xx06g66m0sq-13.jpg"></p>
</div>
</main>
<hr>
<footer style="font-size:18px;"> Ethers $\rightarrow$ Physical properties $\rightarrow$ Structure $\rightarrow$ Determing hydroperoxides $\rightarrow$ Removal of peroxide impurities $\rightarrow$ Synthesis / preparation of ethers $\rightarrow$ Alkoxy mercuration demercuration $\rightarrow$ Alkyl aryl ethers $\rightarrow$ <span style="color:blue">Cyclic ethers</span> $\rightarrow$ Dehydration of diods $\rightarrow$ Chemical reactions of ethers $\rightarrow$ Structure $\rightarrow$ Oxiranes $\rightarrow$ Stereochemical aspect $\rightarrow$ Carbocation $\rightarrow$ Structure $\rightarrow$ Claisen Rearrangement </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Ethers Lecture-6</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Dehydration of diods</B></primary></p>
<hr>
<main>
<div style='float: left; width:100%;'>
<img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/cecd99e5-ebd1-4346-dd08-952187665700/public" width="35%">
</div>
<div style='float: right; width:0%;'>
<p><img alt="image" src="/subject-images/iitpal/image/chemistry-class-12-unit-11-chapter-06-ethers-l-6_6-xx06g66m0sq-14.jpg"></p>
</div>
</main>
<hr>
<footer style="font-size:18px;"> Ethers $\rightarrow$ Physical properties $\rightarrow$ Structure $\rightarrow$ Determing hydroperoxides $\rightarrow$ Removal of peroxide impurities $\rightarrow$ Synthesis / preparation of ethers $\rightarrow$ Alkoxy mercuration demercuration $\rightarrow$ Alkyl aryl ethers $\rightarrow$ Cyclic ethers $\rightarrow$ <span style="color:blue">Dehydration of diods</span> $\rightarrow$ Chemical reactions of ethers $\rightarrow$ Structure $\rightarrow$ Oxiranes $\rightarrow$ Stereochemical aspect $\rightarrow$ Carbocation $\rightarrow$ Structure $\rightarrow$ Claisen Rearrangement </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Ethers Lecture-6</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Dehydration of diods</B></primary></p>
<hr>
<main>
<div style='float: left; width:100%;'>
<img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/4a400351-85c9-44c1-d266-5514e03d8700/public" width="40%">
</div>
<div style='float: right; width:0%;'>
<p><img alt="image" src="/subject-images/iitpal/image/chemistry-class-12-unit-11-chapter-06-ethers-l-6_6-xx06g66m0sq-15.jpg"></p>
</div>
</main>
<hr>
<footer style="font-size:18px;"> Ethers $\rightarrow$ Physical properties $\rightarrow$ Structure $\rightarrow$ Determing hydroperoxides $\rightarrow$ Removal of peroxide impurities $\rightarrow$ Synthesis / preparation of ethers $\rightarrow$ Alkoxy mercuration demercuration $\rightarrow$ Alkyl aryl ethers $\rightarrow$ Cyclic ethers $\rightarrow$ <span style="color:blue">Dehydration of diods</span> $\rightarrow$ Chemical reactions of ethers $\rightarrow$ Structure $\rightarrow$ Oxiranes $\rightarrow$ Stereochemical aspect $\rightarrow$ Carbocation $\rightarrow$ Structure $\rightarrow$ Claisen Rearrangement </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Ethers Lecture-6</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Chemical reactions of ethers</B></primary></p>
<hr>
<main>
<div style='float: left; width:100%;'>
<img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/7547965c-b6d6-4a6a-b191-f079e7d35300/public" width="50%">
</div>
<div style='float: right; width:0%;'>
<p><img alt="image" src="/subject-images/iitpal/image/chemistry-class-12-unit-11-chapter-06-ethers-l-6_6-xx06g66m0sq-16.jpg"></p>
</div>
</main>
<hr>
<footer style="font-size:18px;"> Ethers $\rightarrow$ Physical properties $\rightarrow$ Structure $\rightarrow$ Determing hydroperoxides $\rightarrow$ Removal of peroxide impurities $\rightarrow$ Synthesis / preparation of ethers $\rightarrow$ Alkoxy mercuration demercuration $\rightarrow$ Alkyl aryl ethers $\rightarrow$ Cyclic ethers $\rightarrow$ Dehydration of diods $\rightarrow$ <span style="color:blue">Chemical reactions of ethers</span> $\rightarrow$ Structure $\rightarrow$ Oxiranes $\rightarrow$ Stereochemical aspect $\rightarrow$ Carbocation $\rightarrow$ Structure $\rightarrow$ Claisen Rearrangement </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Ethers Lecture-6</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Chemical reactions of ethers</B></primary></p>
<hr>
<main>
<div style='float: left; width:100%;font-size:22px;text-align:left'>
<p><strong>Ether linkage has to be activated</strong></p>
<p>a) Stoichio metric acid:</p>
<ul>
<li>
<p>1° 22°  ether c’s  & strong Nu (Ⅰ°) → SN² operates</p>
</li>
<li>
<p>Attack on less hindered C. $\rightarrow$ less sub. alkyl iodide + more
substituted alcohel.</p>
</li>
</ul>
<img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/3725e325-5555-472c-1534-ff4b144d6600/public" width="50%">
</div>
<div style='float: right; width:0%;'>
<p><img alt="image" src="/subject-images/iitpal/image/chemistry-class-12-unit-11-chapter-06-ethers-l-6_6-xx06g66m0sq-17.jpg"></p>
</div>
</main>
<hr>
<footer style="font-size:18px;"> Ethers $\rightarrow$ Physical properties $\rightarrow$ Structure $\rightarrow$ Determing hydroperoxides $\rightarrow$ Removal of peroxide impurities $\rightarrow$ Synthesis / preparation of ethers $\rightarrow$ Alkoxy mercuration demercuration $\rightarrow$ Alkyl aryl ethers $\rightarrow$ Cyclic ethers $\rightarrow$ Dehydration of diods $\rightarrow$ <span style="color:blue">Chemical reactions of ethers</span> $\rightarrow$ Structure $\rightarrow$ Oxiranes $\rightarrow$ Stereochemical aspect $\rightarrow$ Carbocation $\rightarrow$ Structure $\rightarrow$ Claisen Rearrangement </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Ethers Lecture-6</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Chemical reactions of ethers</B></primary></p>
<hr>
<main>
<div style='float: left; width:60%;font-size:22px;text-align:left'>
<ul>
<li>
<p>If one of the ether carbons is 3 → it con yield a stable carbocation</p>
</li>
<li>
<p>$S N e^1$</p>
</li>
</ul>
<ul>
<li>more sub. alkyl halide + less sub. alcohol.</li>
</ul>
</div>
<div style='float: right; width:40%;'>
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</div>
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<hr>
<footer style="font-size:18px;"> Ethers $\rightarrow$ Physical properties $\rightarrow$ Structure $\rightarrow$ Determing hydroperoxides $\rightarrow$ Removal of peroxide impurities $\rightarrow$ Synthesis / preparation of ethers $\rightarrow$ Alkoxy mercuration demercuration $\rightarrow$ Alkyl aryl ethers $\rightarrow$ Cyclic ethers $\rightarrow$ Dehydration of diods $\rightarrow$ <span style="color:blue">Chemical reactions of ethers</span> $\rightarrow$ Structure $\rightarrow$ Oxiranes $\rightarrow$ Stereochemical aspect $\rightarrow$ Carbocation $\rightarrow$ Structure $\rightarrow$ Claisen Rearrangement </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Ethers Lecture-6</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Structure</B></primary></p>
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<div style='float: left; width:100%;'>
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<p><img alt="image" src="/subject-images/iitpal/image/chemistry-class-12-unit-11-chapter-06-ethers-l-6_6-xx06g66m0sq-19.jpg"></p>
</div>
</main>
<hr>
<footer style="font-size:18px;"> Ethers $\rightarrow$ Physical properties $\rightarrow$ Structure $\rightarrow$ Determing hydroperoxides $\rightarrow$ Removal of peroxide impurities $\rightarrow$ Synthesis / preparation of ethers $\rightarrow$ Alkoxy mercuration demercuration $\rightarrow$ Alkyl aryl ethers $\rightarrow$ Cyclic ethers $\rightarrow$ Dehydration of diods $\rightarrow$ Chemical reactions of ethers $\rightarrow$ <span style="color:blue">Structure</span> $\rightarrow$ Oxiranes $\rightarrow$ Stereochemical aspect $\rightarrow$ Carbocation $\rightarrow$ Structure $\rightarrow$ Claisen Rearrangement </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Ethers Lecture-6</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Structure</B></primary></p>
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<div style='float: left; width:100%;'>
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<p><img alt="image" src="/subject-images/iitpal/image/chemistry-class-12-unit-11-chapter-06-ethers-l-6_6-xx06g66m0sq-20.jpg"></p>
</div>
</main>
<hr>
<footer style="font-size:18px;"> Ethers $\rightarrow$ Physical properties $\rightarrow$ Structure $\rightarrow$ Determing hydroperoxides $\rightarrow$ Removal of peroxide impurities $\rightarrow$ Synthesis / preparation of ethers $\rightarrow$ Alkoxy mercuration demercuration $\rightarrow$ Alkyl aryl ethers $\rightarrow$ Cyclic ethers $\rightarrow$ Dehydration of diods $\rightarrow$ Chemical reactions of ethers $\rightarrow$ <span style="color:blue">Structure</span> $\rightarrow$ Oxiranes $\rightarrow$ Stereochemical aspect $\rightarrow$ Carbocation $\rightarrow$ Structure $\rightarrow$ Claisen Rearrangement </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Ethers Lecture-6</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Oxiranes</B></primary></p>
<hr>
<main>
<div style='float: left; width:100%;'>
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<p><img alt="image" src="/subject-images/iitpal/image/chemistry-class-12-unit-11-chapter-06-ethers-l-6_6-xx06g66m0sq-21.jpg"></p>
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</main>
<hr>
<footer style="font-size:18px;"> Ethers $\rightarrow$ Physical properties $\rightarrow$ Structure $\rightarrow$ Determing hydroperoxides $\rightarrow$ Removal of peroxide impurities $\rightarrow$ Synthesis / preparation of ethers $\rightarrow$ Alkoxy mercuration demercuration $\rightarrow$ Alkyl aryl ethers $\rightarrow$ Cyclic ethers $\rightarrow$ Dehydration of diods $\rightarrow$ Chemical reactions of ethers $\rightarrow$ Structure $\rightarrow$ <span style="color:blue">Oxiranes</span> $\rightarrow$ Stereochemical aspect $\rightarrow$ Carbocation $\rightarrow$ Structure $\rightarrow$ Claisen Rearrangement </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Ethers Lecture-6</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Stereochemical aspect</B></primary></p>
<hr>
<main>
<div style='float: left; width:60%;font-size:22px;text-align:left'>
<ul>
<li>
<p>Reacting $C_1$ = undergoes  inversion of config</p>
</li>
<li>
<p>$SN^2$ mechanism</p>
</li>
<li>
<p>Similar to bromonium ion attach of Nu is from rear</p>
</li>
</ul>
</div>
<div style='float: right; width:40%;'>
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<hr>
<footer style="font-size:18px;"> Ethers $\rightarrow$ Physical properties $\rightarrow$ Structure $\rightarrow$ Determing hydroperoxides $\rightarrow$ Removal of peroxide impurities $\rightarrow$ Synthesis / preparation of ethers $\rightarrow$ Alkoxy mercuration demercuration $\rightarrow$ Alkyl aryl ethers $\rightarrow$ Cyclic ethers $\rightarrow$ Dehydration of diods $\rightarrow$ Chemical reactions of ethers $\rightarrow$ Structure $\rightarrow$ Oxiranes $\rightarrow$ <span style="color:blue">Stereochemical aspect</span> $\rightarrow$ Carbocation $\rightarrow$ Structure $\rightarrow$ Claisen Rearrangement </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Ethers Lecture-6</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Carbocation</B></primary></p>
<hr>
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<div style='float: left; width:100%;'>
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<p><img alt="image" src="/subject-images/iitpal/image/chemistry-class-12-unit-11-chapter-06-ethers-l-6_6-xx06g66m0sq-23.jpg"></p>
</div>
</main>
<hr>
<footer style="font-size:18px;"> Ethers $\rightarrow$ Physical properties $\rightarrow$ Structure $\rightarrow$ Determing hydroperoxides $\rightarrow$ Removal of peroxide impurities $\rightarrow$ Synthesis / preparation of ethers $\rightarrow$ Alkoxy mercuration demercuration $\rightarrow$ Alkyl aryl ethers $\rightarrow$ Cyclic ethers $\rightarrow$ Dehydration of diods $\rightarrow$ Chemical reactions of ethers $\rightarrow$ Structure $\rightarrow$ Oxiranes $\rightarrow$ Stereochemical aspect $\rightarrow$ <span style="color:blue">Carbocation</span> $\rightarrow$ Structure $\rightarrow$ Claisen Rearrangement </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Ethers Lecture-6</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Structure</B></primary></p>
<hr>
<main>
<div style='float: left; width:100%;'>
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<p><img alt="image" src="/subject-images/iitpal/image/chemistry-class-12-unit-11-chapter-06-ethers-l-6_6-xx06g66m0sq-24.jpg"></p>
</div>
</main>
<hr>
<footer style="font-size:18px;"> Ethers $\rightarrow$ Physical properties $\rightarrow$ Structure $\rightarrow$ Determing hydroperoxides $\rightarrow$ Removal of peroxide impurities $\rightarrow$ Synthesis / preparation of ethers $\rightarrow$ Alkoxy mercuration demercuration $\rightarrow$ Alkyl aryl ethers $\rightarrow$ Cyclic ethers $\rightarrow$ Dehydration of diods $\rightarrow$ Chemical reactions of ethers $\rightarrow$ Structure $\rightarrow$ Oxiranes $\rightarrow$ Stereochemical aspect $\rightarrow$ Carbocation $\rightarrow$ <span style="color:blue">Structure</span> $\rightarrow$ Claisen Rearrangement </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Ethers Lecture-6</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Claisen Rearrangement</B></primary></p>
<hr>
<main>
<div style='float: left; width:100%;'>
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<p><img alt="image" src="/subject-images/iitpal/image/chemistry-class-12-unit-11-chapter-06-ethers-l-6_6-xx06g66m0sq-25.jpg"></p>
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<hr>
<footer style="font-size:18px;"> Ethers $\rightarrow$ Physical properties $\rightarrow$ Structure $\rightarrow$ Determing hydroperoxides $\rightarrow$ Removal of peroxide impurities $\rightarrow$ Synthesis / preparation of ethers $\rightarrow$ Alkoxy mercuration demercuration $\rightarrow$ Alkyl aryl ethers $\rightarrow$ Cyclic ethers $\rightarrow$ Dehydration of diods $\rightarrow$ Chemical reactions of ethers $\rightarrow$ Structure $\rightarrow$ Oxiranes $\rightarrow$ Stereochemical aspect $\rightarrow$ Carbocation $\rightarrow$ Structure $\rightarrow$ <span style="color:blue">Claisen Rearrangement</span> </footer>