chemistry-class-11-unit-11-chapter-01-some-p-block-elements-l-01-4-amy0xzvnc6i

### <Success style="font-size:25px"> Some P Block Elements L-01 </Success>
### <primary style="font-size:24px"> Group 4 element </primary>
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- Silicon is the most abundant element (after oxygen) in the earth's crust

- Occurs as silica $\left(\mathrm{SiO}_2\right)$ and silicate minerals
- Germanium is least common and occurs in some zinc and silver ores and also in flue dust and the ashes of certain types of coal

- Si and Ge adopt diamond-like structures

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<footer style = "font-size: 18px"> $\rightarrow$ Some p-block elements $\rightarrow$ <span style = "color:blue"> Group 4 element </span> $\rightarrow$ Group 4 element $\rightarrow$ Structure of graphite fluoride </footer>

### <Success style="font-size:25px"> Some P Block Elements L-01 </Success>
### <primary style="font-size:24px"> Structure of K-graphite inclusion compound </primary>
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- The graphite interlayer distance increases upon Ca intercalation from 3.35 to 4.524 A, and the carbon- carbon distance increases from 1.42 to 1.444 A

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<footer style = "font-size: 18px">Structure of graphite fluoride $\rightarrow$ Structure of K-graphite inclusion compound $\rightarrow$ <span style = "color:blue"> Structure of K-graphite inclusion compound </span> $\rightarrow$ Reactions $\rightarrow$ Reactions </footer>

### <Success style="font-size:25px"> Some P Block Elements L-01 </Success>
### <primary style="font-size:24px"> Reactions </primary>
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- $\mathrm{Si}+2 \mathrm{Cl}_2 \rightarrow \mathrm{SiCl}_4$
- $\mathrm{Sn}+2 \mathrm{I}_2 \rightarrow \mathrm{SnI}_2 \rightarrow \mathrm{SnI}_4$
- $\mathrm{GeO}_2+4 \mathrm{HBr} \rightarrow \mathrm{GeBr}_4+2 \mathrm{H}_2 \mathrm{O}$
- $\mathrm{SiCl}_4+\mathrm{H}_2 \mathrm{O} \rightarrow \mathrm{SiO}_2 \mathrm{nH}_2 \mathrm{O}+\mathrm{HCl}$
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<footer style = "font-size: 18px">Reactions $\rightarrow$ Structure $\rightarrow$ <span style = "color:blue"> Reactions </span> $\rightarrow$ Reactions $\rightarrow$ Tin halides </footer>

### <Success style="font-size:25px"> Some P Block Elements L-01 </Success>
### <primary style="font-size:24px"> Hydrides of carbon and silicon </primary>
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- In addition to their inherent kinetic instability, silanes are difficult to handle because they are very reactive

- $Ge_9H_{20}, Sn_2H_6$

- $Me_3SnCl, Et_4Pb$ PTFE

- Polytetrafluoroethylene

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<footer style = "font-size: 18px">Tin halides $\rightarrow$ Reactions $\rightarrow$ <span style = "color:blue"> Hydrides of carbon and silicon </span> $\rightarrow$ Catenated halides with E-E bonds (E = C, Si) $\rightarrow$ Reactions </footer>