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Question

Which compound acts as an oxidizing as well as a reducing agent?

A
SO2
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B
Mn2O7
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C
Al2O3
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D
CrO3
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Solution

The correct option is C SO2
SO2
+4
here, S is in intermediate oxidation state so it have tendency to loose electron as well as to gain electron so it can act as both.

Hence option A is correct.

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