MCQ
Reagent $A$ may be


- A$H_2O/H^+$
- B$BH_3 . THF/H_2O_2 -OH^-$
- ✓$Hg(OCOCH_3)_2.H_2O/NaBH_4 .NaOH$
- DAll are possible

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(Given : Molar mass in $\mathrm{g} \mathrm{mol}^{-1}$ Ethyl alcohol : $46$,
water : $18$)
