MCQ
Select the suitable reagent for above conversion.


- ✓$CH_2N_2 / \Delta$
- B$CBr_4 / RLi$
- C$H_2C = CH_2$
- D$t- BuOK$

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$3MnO_4^{2-} + 2H_2O \rightleftharpoons 2MnO_4^- + MnO_2 + 4OH^-$
The reaction can go to completion by removing $OH^-$ ions by adding
$(a)$ Benzene
$(b)$ Toluene
$(c)$ Chlorobenzene and
$(d)$ Phenol