On passing SO_2 gas in acidified K_2Cr_2O_7 solution, the colour of the solution change from

MHT CET Chemistry question

On passing gas in acidified solution, the colour of the solution change from

Answer: (B)

SO2 reduces orange dichromate to green Cr3+ (Cr2(SO4)3); the solution neither turns blue nor

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Question ID VK-074332