Which of the following will not decolourise acidified KMnO_(4) ? – InterviewSolution

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1.	Which of the following will not decolourise acidified KMnO_(4) ?
Answer» `S_(2)O_(4)^(2-)` `S_(2)O_(5)^(2-)` `S_(2)O_(3)^(2-)` `S_(2)O_(7)^(2-)` SOLUTION :(A), (B) and (C) are REDUCING AGENT while (D) is not

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