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When orange solution containing Cr_(2)O_(7)^(2-) ion istreated with an alkali , a yellow solution is formedand when H^(+)ions are added to yellow solution , an organge solution is obtained . Explain why does thi happen ? |
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Answer» SOLUTION : This is DUE tothe following interconversion `:` `underset("Dischromate (orange)")(Cr_(2)O_(7)^(2-)) underset(H^(+))OVERSET(OH^(-)) (HARR) underset("Chromate(yellow)")(CrO_(4)^(2-))` |
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