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CGP EDU Academic Team
Published on: August 13, 2026
When CO2 is passed into aqueous :
Text Solution
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(a, b)
CO2 + H2O 
H2CO3 
2H+ + CO32– ; CrO42– + 2H+ 
Cr2O72– + H2Oa
3K2MnO4 + 2CO2 
2KMnO4 + MnO2 + 2K2CO3.
No colour change.
No colour change.
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