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Starting from SiCl4 prepare the followin...

Starting from `SiCl_4` prepare the following in steps not exceeding the number give in parantheses ( give reaction only )
a. Silicon (1)
b. Linear silicon containing methyl groups only (4)
c. `Na_2 SiO_3 (3) `.

Text Solution

Verified by Experts

The correct Answer is:
A, B, C, D
(i)`3SiCl_(4)`(vapour)+`4Al`(molten)`to4AlCl_(3)+3Si`
(ii)(a)`3SiCl_(4)+4Al to 4AlCl_(3)+3Si` , (b)`Si+2CH_(3)Cl underset(570^(@)C)overset("Cu powder")to (CH_(3))_(2)SiCl_(2)`
( c)`(CH_(3))_(2)SiClunderset(-2HCl)overset(2H_(2)O)toHO-undersetunderset(CH_(3))(|)oversetoverset(CH_(3))(|)(Si)-OH` , (d)`nHO-undersetunderset(CH_(3))(|)oversetoverset(CH_(3))(|)(Si)-OH underset(-n H_(2)O)overset(Delta)to`
(iii)(a)`SiCl_(4)+4H_(2)OtoH_(4)SiO_(4)` or `Si(OH)_(4)` (ortho silicic acid)+`4HCl`
(b)`H_(4)SiO_(4)overset(Delta)to SiO_(2)+2H_(2)O`
( c)`SiO_(2)+Na_(2)CO_(3) overset(1400^(@)C)to Na_(2)SiO_(3)+CO_(2)`
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