Chemical Bonding and Molecular Structure

The total number of molecules with zero dipole moment among CH4, BF3, H2O, HF, NH3, CO2 and SO2 is .

The total number of anti bonding molecular orbitals, formed from 2s and 2p atomic orbitals in a diatomic molecule is .

Choose the polar molecule from the following:

1. CCl4
2. CO2
3. CH2=CH2
4. CHCl3

Sum of bond order of CO and NO+ is .

The number of non-polar molecules from the following is . HF, H2O, SO2, H2, CO2, CH4, NH3, HCl, CHCl3, BF3