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The colour of K2Cr2O7 changes from redor...

The colour of `K_2Cr_2O_7` changes from redorange to lemon yellow on treatment with KOH(aq.) because of :

A

Reduction of Cr (vi) to Cr (III)

B

Formation of dichromate hydroxide

C

Conversion of dichromate into chromate ion

D

Oxidation of potassium hydroxide ot potassium peroxide

Text Solution

Verified by Experts

The correct Answer is:
C
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MBD PUBLICATION-REDOX REACTIONS-QUESTION BANK
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  16. The maximum oxidation state of chromium is :

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