What are the products formed when dilute hydrochloric acid reacts with reactive metals?

Metal chlorides and hydrogen gas

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Metal chlorides and water

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Metal chlorides and oxygen gas

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Metal chlorides and nitrogen gas

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Solution

The correct option is A
Metal chlorides and hydrogen gas

Dilute hydrochloric acid reacts with most of the metals to form metal chlorides along with the liberation of hydrogen gas. The general equation for the reaction between HCl and metals is given below.

$H y d r o c h l o r i c a c i d (H C l) + M e t a l s \to M e t a l c h l o r i d e + H y d r o g e n (H_{2})$

For example, hydrogen chloride (HCl) reacts with zinc (Zn) metal to form zinc chloride ( $Z n C l_{2}$ ) and hydrogen gas( $H_{2}$ ). The equation for the reaction is given below.

$2 H C l + Z n \to Z n C l_{2} + H_{2}$

Hence the correct answer is Metal chloride + Hydrogen gas.

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Similar questions

Q. Calcium carbonate reacts with hydrochloric acid to form calcium chloride and hydrogen gas.

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[0.8 mark]

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