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Question

Manganese dioxide given MnCl2 on treating with :

A
HCl
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B
CuSO4
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C
H2
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D
CO2
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Solution

The correct option is A HCl
Manganese(IV) oxide is the inorganic compound with the formula MnO2. This blackish or brown solid occurs naturally as the mineral pyrolusite,Manganese oxide can react with HCl and release Cl2 gas formin MnCl2 and water. MnO2+4HClMnCl2+Cl2+2H2O

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