Published by:
CGP EDU Academic Team
Published on: August 12, 2026
Blue colour disappears in which solution by passing SO 2
A
Cr 
, + H 2 SO 4
, + H 2 SO 4
B
I 2 + Starch
C
CuSO 4
D
I 2
Text Solution
Verified by ExpertsThe correct answer is:
B
I 2 + SO 2 
+ 
+ Starch (deep blue) colourless
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