Reagent used is :

Options

A. `Hg(OAC)_(2)//NaBH_(4).NaOH`
B. `BH_(3).THF//H_(2)O_(2).NaOH`
C. `LiAIH_(4)//H_(2)O`
D. All of these

Answer

B

Explanation

`BH_(3). THF//H_(2)O_(2)//OH^(-)` gives anti Markownikoffs rule.