Home Chemistry Chemical Analysis Mix When a mixture of solid NH 4 Cl, solid K 2 C…
Chemistry Chemical Analysis Mix Single Correct MCQ
Published on: August 13, 2026

When a mixture of solid NH 4 Cl, solid K 2 Cr 2 O 7 is heated with concentrated H 2 SO 4 , deep red vapours are obtained. This is due to the formation of :

A
chromous chloride
B
chromyl chloride
C
chromic chloride
D
chromic sulphate

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Text Solution

Verified by Experts
The correct answer is:
B

4Cl – + Cr 2 O 72– + 6H + — → 2CrO 2 Cl 2 (deep red) + 3H 2 O.

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