chemistry-class-12-unit-11-chapter-05-alcohols-l-5-6-ra-yznclyfw

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Alcohols Lecture-5</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Glycols</B></primary></p>
<hr>
<main>
<div style='float: left; width:60%;font-size:22px;text-align:left'>
<ul>
<li><strong>Reactions of glycols</strong></li>
</ul>
<p>(1) <strong>Oxidation</strong></p>
<p>(a) With acidified $KMnO_4$ , $1^o$ & $2^o$ $\rightarrow$ acid or $3^o$ $\rightarrow$ ketone</p>
<ul>
<li>Fission or cleavage of C-C bond takes place</li>
</ul>


</div>
<div style='float: right; width:40%;'>
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<hr>
<footer style="font-size:18px;"> <span style="color:blue">Glycols</span> $\rightarrow$ Reactions of glycols $\rightarrow$ Typical example of periodate oxidation $\rightarrow$ Reaction of glycols $\rightarrow$ Structure of tetra acetate $\rightarrow$ Reaction $\rightarrow$ Structure $\rightarrow$ Pinacole rearrangement $\rightarrow$ Rearrangement of pinacole $\rightarrow$ Mechanism $\rightarrow$ Migratory aptitude $\rightarrow$ Stability of carbocation $\rightarrow$ Stability of cyclic intermediate $\rightarrow$ Example </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Alcohols Lecture-5</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Reactions of glycols</B></primary></p>
<hr>
<main>
<div style='float: left; width:100%;font-size:22px;text-align:left'>
<p>$ R_2-C-OH+R^1-CH-OH$ $ R_2-C-OH+R^1-CH-OH \rightarrow R_2C=O+R^1COOH$ $R_2C=O$</p>
<p>(b) with periodic acid ($HIO_4$ or $NaIO_4$ (sodium periodate)</p>
</div>
<div style='float: right; width:0%;'>
<p><img alt="image" src="/subject-images/iitpal/image/chemistry-class-12-unit-11-chapter-05-alcohols-l-5_6-ra_yznclyfw-02.jpg"></p>
</div>
</main>
<hr>
<footer style="font-size:18px;"> Glycols $\rightarrow$ <span style="color:blue">Reactions of glycols</span> $\rightarrow$ Typical example of periodate oxidation $\rightarrow$ Reaction of glycols $\rightarrow$ Structure of tetra acetate $\rightarrow$ Reaction $\rightarrow$ Structure $\rightarrow$ Pinacole rearrangement $\rightarrow$ Rearrangement of pinacole $\rightarrow$ Mechanism $\rightarrow$ Migratory aptitude $\rightarrow$ Stability of carbocation $\rightarrow$ Stability of cyclic intermediate $\rightarrow$ Example </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Alcohols Lecture-5</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Reactions of glycols</B></primary></p>
<hr>
<main>
<div style='float: left; width:100%;font-size:22px;text-align:left'>
<ul>
<li>
<p>$1^o$ , $2^o$ aldehydes or Ketones $3^o$</p>
</li>
<li>
<p>$ 2CH_2OH+HIO_4/NaIO_4 \rightarrow 2HCHO+H_2O+HIO_3/NaIO_3$</p>
</li>
<li>
<p>$ R-CHOH-CH_2OH \xrightarrow {HIO_4} RCHO+HCHO+H_2O+HIO_3$</p>
</li>
<li>
<p>$ R_2-COH-CH_2OH \xrightarrow {HIO_4} R_2C=O+HCHO+H_2O+HIO_3$</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-05-alcohols-l-5_6-ra_yznclyfw-02.jpg"></p>
</div>
</main>
<hr>
<footer style="font-size:18px;"> Glycols $\rightarrow$ <span style="color:blue">Reactions of glycols</span> $\rightarrow$ Typical example of periodate oxidation $\rightarrow$ Reaction of glycols $\rightarrow$ Structure of tetra acetate $\rightarrow$ Reaction $\rightarrow$ Structure $\rightarrow$ Pinacole rearrangement $\rightarrow$ Rearrangement of pinacole $\rightarrow$ Mechanism $\rightarrow$ Migratory aptitude $\rightarrow$ Stability of carbocation $\rightarrow$ Stability of cyclic intermediate $\rightarrow$ Example </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Alcohols Lecture-5</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Typical example of periodate oxidation</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-05-alcohols-l-5_6-ra_yznclyfw-03.jpg"></p>
</div>
</main>
<hr>
<footer style="font-size:18px;"> Glycols $\rightarrow$ Reactions of glycols $\rightarrow$ <span style="color:blue">Typical example of periodate oxidation</span> $\rightarrow$ Reaction of glycols $\rightarrow$ Structure of tetra acetate $\rightarrow$ Reaction $\rightarrow$ Structure $\rightarrow$ Pinacole rearrangement $\rightarrow$ Rearrangement of pinacole $\rightarrow$ Mechanism $\rightarrow$ Migratory aptitude $\rightarrow$ Stability of carbocation $\rightarrow$ Stability of cyclic intermediate $\rightarrow$ Example </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Alcohols Lecture-5</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Typical example of periodate oxidation</B></primary></p>
<hr>
<main>
<div style='float: left; width:100%;font-size:22px;text-align:left'>
</div>
<div style='float: right; width:100%;'>
<img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/9205577d-443a-4ab9-c55b-95f050009f00/public" width="40%" >
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</main>
<hr>
<footer style="font-size:18px;"> Glycols $\rightarrow$ Reactions of glycols $\rightarrow$ <span style="color:blue">Typical example of periodate oxidation</span> $\rightarrow$ Reaction of glycols $\rightarrow$ Structure of tetra acetate $\rightarrow$ Reaction $\rightarrow$ Structure $\rightarrow$ Pinacole rearrangement $\rightarrow$ Rearrangement of pinacole $\rightarrow$ Mechanism $\rightarrow$ Migratory aptitude $\rightarrow$ Stability of carbocation $\rightarrow$ Stability of cyclic intermediate $\rightarrow$ Example </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Alcohols Lecture-5</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Reaction of glycols</B></primary></p>
<hr>
<main>
<div style='float: left; width:100%;font-size:22px;text-align:left'>
<ol start="7">
<li>cis-glycols $\xrightarrow {HIO_4}$ trans-glycols $\xrightarrow {HIO_4}$</li>
</ol>
</div>
<div style='float: left; width:100%;font-size:22px;text-align:left'>
<img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/d321e5e7-db90-4c0c-dcd0-560d10c34100/public" width="40%" >

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</main>
<hr>
<footer style="font-size:18px;"> Glycols $\rightarrow$ Reactions of glycols $\rightarrow$ Typical example of periodate oxidation $\rightarrow$ <span style="color:blue">Reaction of glycols</span> $\rightarrow$ Structure of tetra acetate $\rightarrow$ Reaction $\rightarrow$ Structure $\rightarrow$ Pinacole rearrangement $\rightarrow$ Rearrangement of pinacole $\rightarrow$ Mechanism $\rightarrow$ Migratory aptitude $\rightarrow$ Stability of carbocation $\rightarrow$ Stability of cyclic intermediate $\rightarrow$ Example </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Alcohols Lecture-5</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Structure of tetra acetate</B></primary></p>
<hr>
<main>
<div style='float: left; width:100%;font-size:22px;text-align:left'>
<p>$(CH_3)_2-\underset{\underset{OH}{|}}{C}-\underset{\underset{OH}{|}}{C}-(CH_3)_2$</p>
<ul>
<li>
<p>R.D.S. $\rightarrow$ formation of cyclic intermediates</p>
</li>
<li>
<p>Pinacol $\xrightarrow [{RDS slow}]{HIO_4}$ cyclic intermediate $\xrightarrow{fast}$ aldehyde / ketone</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-05-alcohols-l-5_6-ra_yznclyfw-06.jpg"></p>
</div>
</main>
<hr>
<footer style="font-size:18px;"> Glycols $\rightarrow$ Reactions of glycols $\rightarrow$ Typical example of periodate oxidation $\rightarrow$ Reaction of glycols $\rightarrow$ <span style="color:blue">Structure of tetra acetate</span> $\rightarrow$ Reaction $\rightarrow$ Structure $\rightarrow$ Pinacole rearrangement $\rightarrow$ Rearrangement of pinacole $\rightarrow$ Mechanism $\rightarrow$ Migratory aptitude $\rightarrow$ Stability of carbocation $\rightarrow$ Stability of cyclic intermediate $\rightarrow$ Example </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Alcohols Lecture-5</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Structure of tetra acetate</B></primary></p>
<hr>
<main>
<div style='float: left; width:100%;font-size:22px;text-align:left'>
<ul>
<li>
<p>(c) with lead tetraacetate $(CH_3COO)_4 Pb/CH_3COOH$</p>
</li>
<li>
<p>Glycol which have low solubility in aq medium</p>
</li>
<li>
<p>$HIO_4 \rightarrow $ aq medium is used</p>
</li>
<li>
<p>$Pb(OAC)_4 \rightarrow$ organic solvent benzene, toluene, DCM, THF cis & trans 1,2-diols cis-> trans-</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-05-alcohols-l-5_6-ra_yznclyfw-06.jpg"></p>
</div>
</main>
<hr>
<footer style="font-size:18px;"> Glycols $\rightarrow$ Reactions of glycols $\rightarrow$ Typical example of periodate oxidation $\rightarrow$ Reaction of glycols $\rightarrow$ <span style="color:blue">Structure of tetra acetate</span> $\rightarrow$ Reaction $\rightarrow$ Structure $\rightarrow$ Pinacole rearrangement $\rightarrow$ Rearrangement of pinacole $\rightarrow$ Mechanism $\rightarrow$ Migratory aptitude $\rightarrow$ Stability of carbocation $\rightarrow$ Stability of cyclic intermediate $\rightarrow$ Example </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Alcohols Lecture-5</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Reaction</B></primary></p>
<hr>
<main>
<div style='float: left; width:60%;font-size:22px;text-align:left'>
<ul>
<li>$2CH_2OH \xrightarrow [{(CH_3COO)_4Pb}]{glacial \hspace{1mm} acetic\hspace{1mm} acid} HCHO+HCHO+Pb(OOCCH_3)_2+2CH_3COOH$</li>
</ul>
<p>$2(CH_3)_2-C-OH \rightarrow 2(CH_3)_2-C=O$</p>
</div>
<div style='float: right; width:40%;'>
<img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/191ef917-3074-4f02-2a7d-b04cc767b000/public" width="100%" >

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</main>
<hr>
<footer style="font-size:18px;"> Glycols $\rightarrow$ Reactions of glycols $\rightarrow$ Typical example of periodate oxidation $\rightarrow$ Reaction of glycols $\rightarrow$ Structure of tetra acetate $\rightarrow$ <span style="color:blue">Reaction</span> $\rightarrow$ Structure $\rightarrow$ Pinacole rearrangement $\rightarrow$ Rearrangement of pinacole $\rightarrow$ Mechanism $\rightarrow$ Migratory aptitude $\rightarrow$ Stability of carbocation $\rightarrow$ Stability of cyclic intermediate $\rightarrow$ Example </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Alcohols Lecture-5</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Structure</B></primary></p>
<hr>
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<div style='float: left; width:100%;font-size:22px;text-align:left'>
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<img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/6412c43e-f472-4caf-1b36-31fe85e2b100/public" width="50%" >

</div>
</main>
<hr>
<footer style="font-size:18px;"> Glycols $\rightarrow$ Reactions of glycols $\rightarrow$ Typical example of periodate oxidation $\rightarrow$ Reaction of glycols $\rightarrow$ Structure of tetra acetate $\rightarrow$ Reaction $\rightarrow$ <span style="color:blue">Structure</span> $\rightarrow$ Pinacole rearrangement $\rightarrow$ Rearrangement of pinacole $\rightarrow$ Mechanism $\rightarrow$ Migratory aptitude $\rightarrow$ Stability of carbocation $\rightarrow$ Stability of cyclic intermediate $\rightarrow$ Example </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Alcohols Lecture-5</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Pinacole rearrangement</B></primary></p>
<hr>
<main>
<div style='float: left; width:100%;font-size:22px;text-align:left'>
<p>(10) Pinacole - pinacolone rearrangement</p>
</div>
<div style='float: left; width:100%;font-size:22px;text-align:left'>
<img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/3b0714b6-eeb4-4904-a7ea-43973d5b4900/public" width="40%" >

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</main>
<hr>
<footer style="font-size:18px;"> Glycols $\rightarrow$ Reactions of glycols $\rightarrow$ Typical example of periodate oxidation $\rightarrow$ Reaction of glycols $\rightarrow$ Structure of tetra acetate $\rightarrow$ Reaction $\rightarrow$ Structure $\rightarrow$ <span style="color:blue">Pinacole rearrangement</span> $\rightarrow$ Rearrangement of pinacole $\rightarrow$ Mechanism $\rightarrow$ Migratory aptitude $\rightarrow$ Stability of carbocation $\rightarrow$ Stability of cyclic intermediate $\rightarrow$ Example </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Alcohols Lecture-5</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Rearrangement of pinacole</B></primary></p>
<hr>
<main>
<div style='float: left; width:100%;font-size:22px;text-align:left'>
<p><strong>Rearrangement</strong> of a pinacal (1, 2-test-diol) to
a ketone in presence of conc $H_2SO_4$ or anhydrous $ZnCl_2$</p>
<img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/00430ef0-015a-4fda-b046-c0e3ad691b00/public" width="70%" >
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</main>
<hr>
<footer style="font-size:18px;"> Glycols $\rightarrow$ Reactions of glycols $\rightarrow$ Typical example of periodate oxidation $\rightarrow$ Reaction of glycols $\rightarrow$ Structure of tetra acetate $\rightarrow$ Reaction $\rightarrow$ Structure $\rightarrow$ Pinacole rearrangement $\rightarrow$ <span style="color:blue">Rearrangement of pinacole</span> $\rightarrow$ Mechanism $\rightarrow$ Migratory aptitude $\rightarrow$ Stability of carbocation $\rightarrow$ Stability of cyclic intermediate $\rightarrow$ Example </footer> 
<p>======</p>
<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Alcohols Lecture-5</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Rearrangement of pinacole</B></primary></p>
<hr>
<main>
<div style='float: left; width:100%;font-size:22px;text-align:left'>
<ul>
<li>
<p>R = $CH_3$, $C_6H_5$ $\rightarrow$ symmetrical</p>
</li>
<li>
<p>R = H, $CH_3$, Ph $\hspace{3mm}$ H > Ph > $Me_3$ > C > $MeCH_2$ > Me</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-05-alcohols-l-5_6-ra_yznclyfw-10.jpg"></p>
</div>
</main>
<hr>
<footer style="font-size:18px;"> Glycols $\rightarrow$ Reactions of glycols $\rightarrow$ Typical example of periodate oxidation $\rightarrow$ Reaction of glycols $\rightarrow$ Structure of tetra acetate $\rightarrow$ Reaction $\rightarrow$ Structure $\rightarrow$ Pinacole rearrangement $\rightarrow$ <span style="color:blue">Rearrangement of pinacole</span> $\rightarrow$ Mechanism $\rightarrow$ Migratory aptitude $\rightarrow$ Stability of carbocation $\rightarrow$ Stability of cyclic intermediate $\rightarrow$ Example </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Alcohols Lecture-5</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Mechanism</B></primary></p>
<hr>
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<p><img alt="image" src="/subject-images/iitpal/image/chemistry-class-12-unit-11-chapter-05-alcohols-l-5_6-ra_yznclyfw-11.jpg"></p>
</div>
</main>
<hr>
<footer style="font-size:18px;"> Glycols $\rightarrow$ Reactions of glycols $\rightarrow$ Typical example of periodate oxidation $\rightarrow$ Reaction of glycols $\rightarrow$ Structure of tetra acetate $\rightarrow$ Reaction $\rightarrow$ Structure $\rightarrow$ Pinacole rearrangement $\rightarrow$ Rearrangement of pinacole $\rightarrow$ <span style="color:blue">Mechanism</span> $\rightarrow$ Migratory aptitude $\rightarrow$ Stability of carbocation $\rightarrow$ Stability of cyclic intermediate $\rightarrow$ Example </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Alcohols Lecture-5</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Migratory aptitude</B></primary></p>
<hr>
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<p><strong>migratory aptitude</strong>  $\hspace{3mm}$ H > Ar > R</p>
<p>(ⅰ) Nature of group(electron rich group migrates)</p>
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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-05-alcohols-l-5_6-ra_yznclyfw-12.jpg"></p>
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</main>
<hr>
<footer style="font-size:18px;"> Glycols $\rightarrow$ Reactions of glycols $\rightarrow$ Typical example of periodate oxidation $\rightarrow$ Reaction of glycols $\rightarrow$ Structure of tetra acetate $\rightarrow$ Reaction $\rightarrow$ Structure $\rightarrow$ Pinacole rearrangement $\rightarrow$ Rearrangement of pinacole $\rightarrow$ Mechanism $\rightarrow$ <span style="color:blue">Migratory aptitude</span> $\rightarrow$ Stability of carbocation $\rightarrow$ Stability of cyclic intermediate $\rightarrow$ Example </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Alcohols Lecture-5</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Stability of carbocation</B></primary></p>
<hr>
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<div style='float: left; width:100%;'>
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<hr>
<footer style="font-size:18px;"> Glycols $\rightarrow$ Reactions of glycols $\rightarrow$ Typical example of periodate oxidation $\rightarrow$ Reaction of glycols $\rightarrow$ Structure of tetra acetate $\rightarrow$ Reaction $\rightarrow$ Structure $\rightarrow$ Pinacole rearrangement $\rightarrow$ Rearrangement of pinacole $\rightarrow$ Mechanism $\rightarrow$ Migratory aptitude $\rightarrow$ <span style="color:blue">Stability of carbocation</span> $\rightarrow$ Stability of cyclic intermediate $\rightarrow$ Example </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Alcohols Lecture-5</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Stability of cyclic intermediate</B></primary></p>
<hr>
<main>
<div style='float: left; width:60%;font-size:22px;text-align:left'>
<p>(iii) Stability of cyclic intermediate</p>
<ul>
<li>
<p>I more stable II</p>
</li>
<li>
<p>Ph gp. migration is preferred</p>
</li>
</ul>
</div>
<div style='float: right; width:40%;'>
<img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/53591509-f54c-4e16-843a-60a29e544e00/public" width="100%" >

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<hr>
<footer style="font-size:18px;"> Glycols $\rightarrow$ Reactions of glycols $\rightarrow$ Typical example of periodate oxidation $\rightarrow$ Reaction of glycols $\rightarrow$ Structure of tetra acetate $\rightarrow$ Reaction $\rightarrow$ Structure $\rightarrow$ Pinacole rearrangement $\rightarrow$ Rearrangement of pinacole $\rightarrow$ Mechanism $\rightarrow$ Migratory aptitude $\rightarrow$ Stability of carbocation $\rightarrow$ <span style="color:blue">Stability of cyclic intermediate</span> $\rightarrow$ Example </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Alcohols Lecture-5</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Example</B></primary></p>
<hr>
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<p><img alt="image" src="/subject-images/iitpal/image/chemistry-class-12-unit-11-chapter-05-alcohols-l-5_6-ra_yznclyfw-15.jpg"></p>
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<hr>
<footer style="font-size:18px;"> Glycols $\rightarrow$ Reactions of glycols $\rightarrow$ Typical example of periodate oxidation $\rightarrow$ Reaction of glycols $\rightarrow$ Structure of tetra acetate $\rightarrow$ Reaction $\rightarrow$ Structure $\rightarrow$ Pinacole rearrangement $\rightarrow$ Rearrangement of pinacole $\rightarrow$ Mechanism $\rightarrow$ Migratory aptitude $\rightarrow$ Stability of carbocation $\rightarrow$ Stability of cyclic intermediate $\rightarrow$ <span style="color:blue">Example</span> </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Alcohols Lecture-5</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Example</B></primary></p>
<hr>
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<p><img alt="image" src="/subject-images/iitpal/image/chemistry-class-12-unit-11-chapter-05-alcohols-l-5_6-ra_yznclyfw-16.jpg"></p>
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<hr>
<footer style="font-size:18px;"> Glycols $\rightarrow$ Reactions of glycols $\rightarrow$ Typical example of periodate oxidation $\rightarrow$ Reaction of glycols $\rightarrow$ Structure of tetra acetate $\rightarrow$ Reaction $\rightarrow$ Structure $\rightarrow$ Pinacole rearrangement $\rightarrow$ Rearrangement of pinacole $\rightarrow$ Mechanism $\rightarrow$ Migratory aptitude $\rightarrow$ Stability of carbocation $\rightarrow$ Stability of cyclic intermediate $\rightarrow$ <span style="color:blue">Example</span> </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Alcohols Lecture-5</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Example</B></primary></p>
<hr>
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<p><img alt="image" src="/subject-images/iitpal/image/chemistry-class-12-unit-11-chapter-05-alcohols-l-5_6-ra_yznclyfw-17.jpg"></p>
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<footer style="font-size:18px;"> Glycols $\rightarrow$ Reactions of glycols $\rightarrow$ Typical example of periodate oxidation $\rightarrow$ Reaction of glycols $\rightarrow$ Structure of tetra acetate $\rightarrow$ Reaction $\rightarrow$ Structure $\rightarrow$ Pinacole rearrangement $\rightarrow$ Rearrangement of pinacole $\rightarrow$ Mechanism $\rightarrow$ Migratory aptitude $\rightarrow$ Stability of carbocation $\rightarrow$ Stability of cyclic intermediate $\rightarrow$ <span style="color:blue">Example</span> </footer>

<p><Success style="float:center;text-align:center;font-size:28px;"> <B>Alcohols Lecture-5</B></Success></p>
<p><primary style="float:center;text-align:center;font-size:24px;"> <B>Example</B></primary></p>
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<p><img alt="image" src="/subject-images/iitpal/image/chemistry-class-12-unit-11-chapter-05-alcohols-l-5_6-ra_yznclyfw-18.jpg"></p>
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<footer style="font-size:18px;"> Glycols $\rightarrow$ Reactions of glycols $\rightarrow$ Typical example of periodate oxidation $\rightarrow$ Reaction of glycols $\rightarrow$ Structure of tetra acetate $\rightarrow$ Reaction $\rightarrow$ Structure $\rightarrow$ Pinacole rearrangement $\rightarrow$ Rearrangement of pinacole $\rightarrow$ Mechanism $\rightarrow$ Migratory aptitude $\rightarrow$ Stability of carbocation $\rightarrow$ Stability of cyclic intermediate $\rightarrow$ <span style="color:blue">Example</span> </footer>