Published by:
CGP EDU Academic Team
Published on: August 13, 2026
K 2 Cr 2 O 7 paper acidified with dilute H 2 SO 4 turns green when exposed to
Text Solution
Verified by ExpertsThe correct answer is:
D
3SO 2 + 
+ 2H + 
+ 2Cr +5 + H 2 O
green
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