Which colourless gas evolves when ${\rm{N}}{{\rm{H}}_4}{\rm{Cl}}$ reacts with zinc in A dry cell battery?

NEET UG CHEMISTRY MCQ: ELECTRO CHEMISTRY

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Which colourless gas evolves when

\mathrm{N}{\mathrm{H}_4}\mathrm{Cl}

reacts with zinc in A dry cell battery?

View answer and explanation

Correct option: C

{\mathrm{H}_2}

Option C (

{\mathrm{H}_2}

) is correct because zinc reacts with ammonium chloride to produce zinc chloride, ammonia, and 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 + }}