Which of the following metal on reaction with hydrochloric acid does not form bubbles in the solution?

Zinc (Zn)

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Iron (Fe)

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Aluminium (Al)

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Gold (Au)

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Solution

The correct option is D Gold (Au)
Metals on reaction with acids liberate hydrogen gas. Gold (Au) and platinum (Pt) 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

Which of the following metals, on reaction with acids like HCl does not form bubbles in the solution?

(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.

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