On controlled hydrolysis and condensation, `R_(3)SiCl` yields

Alkyl substituted chlorosilane, R_n SiCl_((4-n)) , on hydrolysis and then condensation polymerisation yield silicones What is the value of n is the alkyl substituted chlorosilane used for the preparation of cross linked silicone.

The role of addition of Me_(3)SiCl during the hydrolysis followed by conduction of Me_(2)SiCl_(2) is.

NCl_3 on hydrolysis yields: