When `SO_(2)` gas is passed through and acidified solution of `K_(2)Cr – InterviewSolution

InterviewSolution

1.	When `SO_(2)` gas is passed through and acidified solution of `K_(2)Cr_(2)O_(7)` the orange colour of the solution changes toA. redB. orangeC. greenD. black
Answer» Correct Answer - C

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