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Question
When an active metal reacts with HCl which of the following gas is evolved?
Options
Cl2
H2
N2
H2S
MCQ
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Solution
H2
Explanation:
Active metals above hydrogen displace it from dilute hydrochloric acid to produce elemental hydrogen gas.
\[\ce{Zn + 2HCl -> ZnCl2 + H2 ^}\]
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Chapter 8: Study of Compounds: Hydrogen Chloride - Intext Question [Page 170]
