Home Chemistry Enviromental Chemistry ( Not In Syllabus ) Practical Chemistry CrO 4 2– + H + + H 2 O 2 X + H 2 O Identify…
Chemistry Enviromental Chemistry ( Not In Syllabus ) Practical Chemistry Single Correct MCQ
Published on: August 13, 2026

CrO 4 2– + H + + H 2 O 2 X + H 2 O

Identify the correct statement with respect to X.

A
It is an acid anhydride of chromic acid.
B
It is a red colour compound which can be extracted easily into the ethereal phase.
C
It is chromium peroxide which produces blue colouration in ethereal layer on gentle shaking.
D
It is Cr 2 O 3 which is used as a green pigment.

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Text Solution

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The correct answer is:
C

CrO 4 2– + 2H + + 2H 2 O 2 CrO 5 (chromium peroxide) + 3H 2 O

It in etheral layer develops blue colouration.

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