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Potassium dichromate is a good oxidizing agent, in acidic medium the oxidation state of chromium changes byA. 2B. 3C. 4D. 5 |
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Answer» Correct Answer - B It acts as oxidising agent in acidic medium by gain of six electrons and oxidation state of Cr `Cr_(2)O_(7)^(2-) + 14H^(+) + 6e^(-) to 2Cr^(3+) + 7H_(2)O` |
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