InterviewSolution
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InterviewSolution
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Which of the following can convert acidified `Cr_(2)O_(7)^(2-)` to green ?A. `SO_(2)//H_(2)SO_(3)//H_(2)SO_(4)`B. `SO_(3)//H_(2)SO_(3)//H_(2)S`C. `SO_(3)^(2-)//H_(2)S//Fe^(2+)`D. `S(2)O_(3)^(2-)//SO_(3)//Fe^(3+)` |
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Answer» Correct Answer - C Reducing agents can reduce `Cr_(2)O_(7)^(2-) " to " Cr^(3+)` (green solution) |
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