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Question

In the reaction given below:
CrO5+H2SO4Cr2(SO4)3+H2O+O2
One mole of CrO5 will liberate how many moles of O2?

A
52
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B
54
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C
92
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D
None of these
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Solution

The correct option is C None of these
The balanced reaction is as follows:
4CrO5+6H2SO42Cr2(SO4)3+6H2O+7O2
1 mole CrO5 can liberate only 74 mole O2.

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