The straight chain polymer is formed by

Straight chain polymer is formed by hydrolysis of [x] which is tetrasubstituted chloromethylsilane then followed by condensation polymerization. Atomicity of [x] is:

The straight chain polymer (silicones) is formed by

On monochlorination of pentane, the number of straight chain isomers formed is

A straight chain of amino acids liked by peptide bonds to form

Among the following, the branched chain polymer is