Which of the following metals does not produce bubbles when they interact with hydrochloric acid ?

Aluminium

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Iron

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Gold

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Zinc

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Solution

The correct option is C Gold
Generally, metals on reaction with acids liberate hydrogen gas. But gold and platinum are noble metals. These metals are unreactive in nature and doesn't react with hydrochloric acid at all. So, no bubbles of hydrogen gas are formed when gold reacts with hydrochloric acid.

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Similar questions

(a) Name one metal which reacts with dilute hydrochloric acid to produce hydrogen gas.

(b)Name one metal which does not react with dilute hydrochloric acid.

Question 31
During the reaction of some metals with dilute hydrochloric acid, following observations were made.

(a) Silver metal does not show any change.

(b) The temperature of the reaction mixture rises when aluminium (Al) is added.

(d) Some bubbles of a gas are seen when lead (Pb) is reacted with the acid.

Explain these observations giving suitable reasons.

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