During electrolysis of fused ${\rm{Ca}}{{\rm{H}}_2},{{\rm{H}}_2}$ is liberated at :

NEET UG CHEMISTRY MCQ: ELECTRO CHEMISTRY

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During electrolysis of fused

\mathrm{Ca}{\mathrm{H}_2},{\mathrm{H}_2}

is liberated at :

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Correct option: A

Anode

Option A (Anode) is correct because in the electrolysis of fused CaH2, hydride ions (H-) migrate to the anode and are oxidized to form hydrogen gas.

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A{l^{3 + }}

{H_2}

{H^ + }

\mathrm{LiCl},{\rm{NaCl {\kern 1pt}{\kern 1pt}and {\kern 1pt}{\kern 1pt}KCl}}

\left(\mathrm{CuSO}_4\right)

\mathrm{A}{\mathrm{l}^{3 + }}