Identify the reaction which does not liberate | vedclass

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(A) In the reaction of lithium hydride $(LiH)$ with diborane $(B_2H_6)$,lithium borohydride is formed without the evolution of hydrogen gas: $2LiH + B

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Reaction of lithium hydride with $B_2H_6$

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(A) In the reaction of lithium hydride $(LiH)$ with diborane $(B_2H_6)$,lithium borohydride is formed without the evolution of hydrogen gas: $2LiH + B_2H_6 \longrightarrow 2Li[BH_4]$ In contrast,the other reactions listed liberate hydrogen gas: $1$. Electrolysis of acidified water: $2H_2O \longrightarrow 2H_2 + O_2$ $2$. Zinc with aqueous alkali: $Zn + 2NaOH + 2H_2O \longrightarrow Na_2[Zn(OH)_4] + H_2$ $3$. Sodium in liquid ammonia: $2Na + 2NH_3 \longrightarrow 2NaNH_2 + H_2$

Identify the reaction which does not liberate hydrogen.

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