MCQ
Action of diazomethane on phenol liberates
- A${O_2}$
- B${H_2}$
- ✓${N_2}$
- D$C{O_2}$

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Statement $I:$ Iron $(III)$ catalyst, acidified $K _{2} Cr _{2} O _{7}$ and neutral $KMnO _{4}$ have the ability to oxidise $I$ to $I _{2}$ independently.
Statement $II$: Manganate ion is paramagnetic in nature and involves $p \pi- p \pi$ bonding.
In the light of the above statements, choose the correct answer from the options.
