Published by:
CGP EDU Academic Team
Published on: August 14, 2026
When a mixture of solid NaCl and 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 :
Text Solution
Verified by ExpertsThe correct answer is:
B
4Cl – + Cr 2 O 7 2– + 6H + ⎯→ 2CrO 2 Cl 2 (deep red) + 3H 2 O.
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