The metals that will not displace hydrogen on reaction with dilute acids are

Silver

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Gold

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Zinc

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Copper

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Solution

The correct option is D
Copper

Different metals have different reactivity with acids. Zinc reacts with dilute hydrochloric acid to give zinc chloride and hydrogen.

$Z n (s) + H C l (a q) \to Z n C l_{2} (a q) + H_{2} (g)$

Copper, gold and silver do not react with acids at all.

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Name two metals that will not displace Hydrogen from dilute acids.

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