WBJEE 2021 Physics and Chemistry Solved Paper

CHEMISTRY

CATEGORY - I (Q41 to Q70)

Carry 1 mark each and only one option is correct. In case of incorrect answer or any combination of more than one answer, ¼ mark will be deducted.

Question : 45 of 80

Marks: +1, -0

A given amount of Fe2+ is oxidized by x mol of MnO4 in acidic medium. The number of moles of Cr2O72− required to oxidize the same amount of Fe2+ in acidic medium is

x
0.83x
2.0x
1.2x

Validate

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