• # question_answer Which of the following oxides of nitrogen is paramagnetic [CPMT 1984; CBSE PMT 1994; AIIMS 2000] A) ${{N}_{2}}{{O}_{3}}$ B) ${{N}_{2}}O$ C) $N{{O}_{2}}$ D) ${{N}_{2}}{{O}_{5}}$

In $N{{O}_{2}}$ there are free electron so it is paramagnetic in nature.