The correct order of increasing bond angles in the following species is

Q. The correct order of increasing bond angles in the following species is

1. Cl2O < ClO2 < ClO−2
2. ClO2 < Cl2O < ClO−2
3. Cl2O < ClO−2< ClO2
4. ClO−2 < ClO2 < Cl2O

Answer: Cl2O < ClO−2< ClO2