In the electrolysis of acidulated water, _______ gas is evolved at cathode.

Hydrogen

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Hydrogen Sulphide

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Oxygen

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Nitrogen

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Solution

The correct option is A
Hydrogen

In the electrolysis of acidulated water, hydrogen gas is evolved at cathode.

H⁺ being positively charged moves towards the cathode (negatively charged electrode).

Reaction at the cathode,

H⁺ + e^- → H

H + H → H₂

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Similar questions

In the electrolysis of acidulated water, _______ gas is evolved at anode.

During electrolysis of acidulated water, which gas is collected at cathode and which gas is collected at anode?

H_{2} O

11.2

H_{2}

O_{2}

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