AIIMS 2013 Chemistry Reduction of Dichromate MCQ Question with Solution

K₂Cr₂O₇ in acidic medium converts into

A

Cr²⁺

B

Cr³⁺

C

Cr⁶⁺

D

Cr⁵⁺

Correct Answer

Option B

Detailed Explanation

Cr2O7^2- + 14H+ + 6e- -> 2Cr3+ + 7H2O.

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