Question

which of the following metal do not react with HCl
(a)Cu
(b)Pb
(c)Ag
(d)both A and C​

Answer 1

Answer:

(d) both A and C

Explanation:

Cu and Ag do not react with HCl as they cannot displace H. H is more reactive than Cu and Ag. You can refer to the reactivity series for the same.

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Answer 2

$\huge\sf\red{Answer:- (d)}$

(d). both A and C

As we know that copper and silver both are less reactive than hydrogen atoms and they are not capable of displacing hydrogen atoms. So, copper and silver metal do not react with hydrochloric acid (HCl).

$\huge\sf\blue{Reaction:- }$

$Cu(s) + HCl(aq) = No\:reaction$

When copper reacts with hydrochloric acid, it do not form any compound that means no reaction is occurring because copper is less reactive than hydrogen.

$Ag(s) + HCl(aq) = No\:reaction$

When silver reacts with hydrochloric acid, it do not form any compound that means no reaction is occurring because silver is also less reactive than hydrogen.

${\textbf{\green{Therefore, the correct answer is (d) both A and C.}}}$