Explain the following:- 

(i) Nitrogen exists as diatomic molecule whereas phosphorous exists as tetra atomic molecule.

(ii) NF3 is an exothermic compound but NCl3 is an endothermic compound.

4 views

1 Answers

(i) N-N single bond is very weak due to its small size

(ii) F is highly electronegative and N-F bond energy is higher than N-Cl bond energy.

4 views