When zinc reacts with dilute hydrochloric acid, the gas evolved is:

hydrogen

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chlorine

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hydrogen chloride

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none of these

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Solution

The correct option is A hydrogen
When $Z n$ reacts with dilute $H C l,$ $H_{2}$ gas is evolved.
Reaction:
$Z n + 2 H C l ⟶ Z n C l_{2} + H_{2}$

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Similar questions

Which gas is evolved when dilute hydrochloric acid reacts with zinc ? Write the molecular formula of the gas.

Q. Dilute hydrochloric acid reacts with zinc to evolve _____ gas along with the formation of zinc chloride salt.

When zinc reacts with dilute hydrochloric acid, zinc chloride is formed along with the evolution of gas X. The evolved gas is colourless, odourless and neutral to litmus. So, gas X is:

Q. Identify the gas evolved and give the chemical test in each of the following case :
(i) Dilute hydrochloric acid reacts with sodium sulphite.
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Zinc liberates hydrogen gas when reacted with dilute hydrochloric acid, whereas copper does not. Why?

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When zinc reacts with dilute hydrochloric acid, the gas evolved is:

The correct option is A hydrogenWhen Zn reacts with dilute HCl, H2 gas is evolved.Reaction: Zn+2HCl⟶ZnCl2+H2

The correct option is A hydrogen
When $Z n$ reacts with dilute $H C l,$ $H_{2}$ gas is evolved.
Reaction:
$Z n + 2 H C l ⟶ Z n C l_{2} + H_{2}$