Which of the following metals, on reaction with acids like HCl form bubbles in the solution?

Silver (Ag)

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Platinum (Pt)

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Aluminium (Al)

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Gold (Au)

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Solution

The correct option is C
Aluminium (Al)

Aluminium reacts with dilute hydrochloric acid to form aluminium chloride and hydrogen gas.

$2 A l + 6 H C l \to 2 A l C l_{3} + 3 H_{2}$

Gold (Au), Silver (Ag) and Platinum (Pt) are the least reactive metals which do not react with hydrochloric acid.

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Which of the following metals, on reaction with acids like HCl form bubbles in the solution?

The correct option is C Aluminium (Al) Aluminium reacts with dilute hydrochloric acid to form aluminium chloride and hydrogen gas. 2Al + 6HCl → 2AlCl3 + 3H2 Gold (Au), Silver (Ag) and Platinum (Pt) are the least reactive metals which do not react with hydrochloric acid.

The correct option is C
Aluminium (Al)

Aluminium reacts with dilute hydrochloric acid to form aluminium chloride and hydrogen gas.

$2 A l + 6 H C l \to 2 A l C l_{3} + 3 H_{2}$

Gold (Au), Silver (Ag) and Platinum (Pt) are the least reactive metals which do not react with hydrochloric acid.