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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

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With aluminium, it can be reduced to silicaon .
`3 SiC l_4 + 4 Alrarr 3 Si + 4 AlCl_3`
`3 SiCl_4 + 4 Alrarr 3 Si + 4 AlCl_3`
`Si + Cu overset (Delta) (rarr) Cu - Si`
`Cu - Si + 2 CH_3 Clrarr (CH_3)_3 sicl_2 +Ca`

c. `SiC_4 4H_2O rarr Si (OH)_4 +HCl`
`Si(OH)_4 rarr SiO_2 +H_2O`
`SiO_2+NaCO_3 overset (1400^@C)/(rarr) Na_2SiO_3 + CO_2`.
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