Name an ammonium salt which is a constituent of(a) smelling salts(b) d

1.	Name an ammonium salt which is a constituent of(a) smelling salts(b) dry cells. Give reasons for the use of the named ammonium salt for the same.
Answer» (a) Smelling salts : Ammonium carbonate, (NH₄)₂CO₃ is used as smelling salt. It is an unstable white solid decomposes to give pungent smelling NH₃ gas. (NH₄)₂CO₃ → 2NH₃ + CO₂ + H₂O The pungent smelling NH₃ gas revives a fainted person. (NH₄)₂CO₃ is always kept in a tightly closed container to prevent it from decomposition. (b) Dry cells : Ammonium chloride(NH₄Cl) is used in dry cells. It oxidises Zn to Zn²⁺ ions. The electrons so produced constitute the electric current.

Name an ammonium salt which is a constituent of(a) smelling salts(b) dry cells. Give reasons for the use of the named ammonium salt for the same.

Answer»

(a) Smelling salts : Ammonium carbonate, (NH₄)₂CO₃ is used as smelling salt. It is an unstable white solid decomposes to give pungent smelling NH₃ gas.

(NH₄)₂CO₃ → 2NH₃ + CO₂ + H₂O

The pungent smelling NH₃ gas revives a fainted person. (NH₄)₂CO₃ is always kept in a tightly closed container to prevent it from decomposition.

(b) Dry cells : Ammonium chloride(NH₄Cl) is used in dry cells. It oxidises Zn to Zn²⁺ ions. The electrons so produced constitute the electric current.

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Name an ammonium salt which is a constituent of(a) smelling salts(b) dry cells. Give reasons for the use of the named ammonium salt for the same.

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