In which of the following compound

CHEMISTRY · Single correct · CBSE · Chemistry · Chemical Bonding and Molecular Structure · Chemical Bonding and Molecular Structure

Problem

In which of the following compound, observed bond angle is found to be greater than expected, but not due to back bonding. (1)

N(SiH_3)_3

(2)

N(CH_3)_3

(3)

O(CH_3)_2

(4)

O(SiH_3)_2