MCQ
The oxide which contains an odd electron at the nitrogen atom is ..... .
- A$N _{2} O$
- ✓$NO _{2}$
- C$N _{2} O _{3}$
- D$N _{2} O _{5}$

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Statement$-I$ $: \alpha$ and $\beta$ forms of sulphur can change reversibly between themselves with slow heating or slow cooling.
Statement$-II :$ At room temperature the stable crystalline form of sulphur is monoclinic sulphur.
In the light of the above statements, choose the correct answer from the options given below:

product $(A)$ is