Question

25. The metal which does not produce H2 by the action of dilute HCl is
a) Na b) Mg c) Al d) Cu
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Answer 1

Answer:

the correct answer is (d) Cu

Answer 2

Answer

••••Copper

Explanation

••• in the reactivity series the metal above hydrogen react with dilute acids to give salt and hydrogen

Metal+dilute acid== Salt+ hydrogen gas

the metals below hydrogen do not react with dilute acids because they are less reactive than hydrogen and they cannot displace hydrogen from dilute acid. Therefore copper does not react with hydrochloric acid

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