Question

Question No. 18
• Choose the correct option for
examples of Polar and nonpolar
molecules.
Answer
A. Polar molecules: H2, 02, N2;
Non polar molecules: CO, HCI
B. Polar molecules: H2, 02, N2;
Non polar molecules: CO2, CH4
C. Polar molecules: CO, HCI; Non
polar molecules: H2, 02, N2​

Answer 1

Explanation:

H

2

O

2

The sulphur atom in sulphur dioxide is sp

2

-hybridization, and it is a V-shaped molecule.

In NH

4

Cl, all the bonds are polar.

In HCN, the bonds are polar.

In hydrogen peroxide, O−O bond is non-polar and O−H bonds are polar.

In CH

4

, all the four bonds are non-polar.

Therefore, the correct option is C.