Question

Metal that produces H2 on reaction with dilute HCL is​

Answer 1

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Answer :-----

Metal that produces H₂ on reaction with dilute HCL is Ag.

Uses of Silver :

>> Silver is used in wire making. But it is not some much in use as silver is a costly metal.

>> Silver is used in making of jewelleries. Jewelleries made from silver as lustrous and not rust easily.

Answer 2

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a. Zinc is a reactive metal which on reaction with HCl produces hydrogen gas and form ZnCl2. As shown below:

b. Copper does not react with dilute hydrochloric acid. This is because copper lies below hydrogen in the reactivity series and therefore cannot displace hydrogen from its solution. Hence, there is no reaction.