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  • 5 g of zinc is treated separately with an excess of (a) Dilute hydrochloric acid, and (b) Aqueous sodium hydroxide.

5 g of zinc is treated separately with an excess of
(a) dilute hydrochloric acid and
(b) aqueous sodium hydroxide.

The ratio of the volumes of $H_2$ evolved in these two reactions is :

Answers (1)

best_answer

$$
\begin{aligned}
& \mathrm{Zn}+2 \mathrm{HCl} \rightarrow \mathrm{ZnCl}_2+\mathrm{H}_2 \\
& \mathrm{Zn}+2 \mathrm{NaOH} \rightarrow \mathrm{Na}_2 \mathrm{ZnO}_2+\mathrm{H}_2
\end{aligned}
$$


The ratio of the volume of $H_2$ is $1: 1$

Posted by

Vishal kumar

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