The acid which can destroy the colour of acidic KMnO₄ is

2023

Answer: B. C₆H₈O₇ — Citric acid is a reducing organic acid and can decolourise acidic potassium permanganate. Among the options, C6H8O7 is citric acid.

1. A.

   CH₃COOH

2. B.

   C₆H₈O₇

3. C.

   CH₃CH₂COOH

4. D.

   More than one of the above

5. E.

   None of the above

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