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Because Me3SiCl has just one chlorine atom, it cannot create high molecular weight silicon polymers and can only form a dimer. Which of the following is correct?

1. SiO4^4- serves as the fundamental structural unit of silicates.
2. Feldspars are three-dimensional aluminosilicates.
3. Pyrosilicate has the formula (Si2O7)^6-.
4. Substituted chlorosilanes undergo hydrolysis to produce silanols, which then polymerize.

Correct answer: Substituted chlorosilanes undergo hydrolysis to produce silanols, which then polymerize.

Solution

The hydrolysis of substituted chlorosilanes like Me3SiCl produces silanols, which can polymerize to form siloxane bonds. However, Me3SiCl cannot form high molecular mass polymers due to steric hindrance.

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