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Question

On adding hydrochloric acid to $$MnO_2$$, which gas is evolved?


A
H2
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B
Cl2
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C
O2
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D
None of the above
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Solution

The correct option is A $$Cl_2$$
$$MnO_2+4HCl \longrightarrow MnCl_2+2H_2O+Cl_2$$
Greenish yellow gas chorine is evolved.

Chemistry

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