When SO2 gas is passed through the acidified K2Cr2O7 solution, the col – InterviewSolution

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1.	When SO2 gas is passed through the acidified K2Cr2O7 solution, the colour of the solution changes to:(1) Red(2) Black(3) Orange(4) Green
Answer» When SO₂gas is passed through the acidified K₂Cr₂O₇ solution, the colour of the solution changes to Green

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