Reagent A may be:



Reagent A may be:
  1. $\mathrm{H}_{2} \mathrm{O} / \mathrm{H}^{+}$
  2. $\mathrm{BH}_{3}, \mathrm{THF} / \mathrm{H}_{2} \mathrm{O}_{2}-\mathrm{OH}^{-}$
  3. $\mathrm{Hg}\left(\mathrm{OCOCH}_{3}ight)_{2}, \mathrm{H}_{2} \mathrm{O} / \mathrm{NaBH}_{4} \cdot \mathrm{NaOH}$
  4. All are possible

Solution

Oxymercuration - demercuration reaction addition of $\mathrm{H}_{2} \mathrm{O}$ molecule is according to Markovnikoff's rule.

Asked in: JEE-TOPICTESTS-CHEMISTRY

Practice more HYDROCARBONS questions on Aicharya