Published by:
CGP EDU Academic Team
Published on: August 14, 2026
The colour of 
changes from red orange to lemon yellow on treatment with
aqueous KOH because of
A
The reduction of 
to 
to
B
The formation of chromium hydroxide
C
The conversion of dichromate to chromate
D
The oxidation of potassium hydroxide to potassium peroxide
Text Solution
Verified by ExpertsThe correct answer is:
C
The colour changes due to the conversion of dichromate to chromate.
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
Which one of the following reactions is incorrect?
Maximum oxidation state is shown by:
values for the couples are -0.41 respectively.
Considering these values, select the correct opti…
In the dichromate dianion:
The stability of a particular oxidation state of a metal in aqueous solutions is determined by:
Pyrolusite is used to prepare . Steps are, . Steps I
and II are respectively :