Chemistry, asked by yumiko3025, 1 year ago

Determination of ascorbic acid using 2 6-dichlorophenolindophenol principle

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Answered by Anonymous
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Vitamin C is determined by oxidizing it in acid medium with 2,6-Dichlorophenol indophenol to dehydroascorbic acid. Ascorbic acid reduces the indicator dye to a colorless solution. At the end point of titration excess unreduced dye is a rose-pink color in the acid solution.

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