Chemistry · d- and f-Block Elements
Acidified K2Cr2O7 solution turns green on passing SO2 gas due to the formation of:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1CrO2Cl2
- 2CrO3
- 3Cr2(SO4)3✓
- 4CrO42-
Correct answer
Cr2(SO4)3
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