Identify reaction which does not liberate hydrogen

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p-Block Elements - I

medium

Identify the reaction which does not liberate hydrogen

A

Reaction of lithium hydride with $B_2H_6$

B

Electrolysis of acidified water using $Pt$ electrodes

C

Reaction of zinc with aqueous alkali

D

Allowing a solution of sodium in liquid ammonia to stand

(JEE MAIN-2016)

Solution

Lithium hydride react with diborane to produce lithiumborohydride

$2LiH + B_2H_6 \longrightarrow 2Li[BH_4]$

Standard 11

Chemistry

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