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Question

Identify the compound X in the following reaction?

MnO2+4HCl heat−−−→ X+Cl2+2H2O

A
Mn(OH)2
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B
MnCl
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C
MnCl2
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D
Mn2Cl2
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Solution

The correct option is C MnCl2
When concentrated hydrochloric acid is added to manganese dioxide, greenish yellow chlorine gas is evolved along with manganese chloride and water.

MnO2+4HCl heat−− MnCl2+Cl2+2H2O

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