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Question
Which of the following does not react with hydrochloric acid to give chlorine?
Options
KMnO4
MnO2
K2Cr2O7
Mg
MCQ
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Solution
Mg
Explanation:
Magnesium (Mg) is a reactive metal that undergoes a displacement reaction with HCl to yield magnesium chloride and hydrogen gas (H2) instead of chlorine.
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