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Silica (SiO2)can Be Prepared from Silicon Ethoxide by the Sol-Gel

Question 49

Multiple Choice

Silica (SiO2) can be prepared from silicon ethoxide by the sol-gel process.Write a balanced equation for the hydrolysis of silicon ethoxide.


A) SiCl4 + 4 HOCH2CH3 + 4 NH3 → Si(OCH2CH3) 4 + 4 NH4Cl (in benzene)
B) Si(OCH2CH3) 4 + 4 H2O → Si(OH) 4 + 4 HOCH2CH3
C) Si(OCH2CH3) 4 + 4 HOCH3 → Si(OCH3) 4 + 4 HOCH2CH3
D) Si(OCH3) 4 + 4 H2O → Si(OH) 4 + 4 HOCH3

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