Which of the following is not cleaved by HIO_4? A. Glycerol, B. Glycol, C. Propan-1,3-diol, D. Methoxy-2-propanol

JEE Main Chemistry question

Which of the following is not cleaved by ? A. Glycerol, B. Glycol, C. Propan-1,3-diol, D. Methoxy-2-propanol

(A)A, B, C, D
(B)A, B
(C)B, C
(D)C, DCorrect

Answer: (D)

Solution

cleaves only vicinal (1,2) diols/polyols; glycerol and glycol (ethylene glycol) both have adjacent hydroxyls and are cleaved. Propane-1,3-diol has its groups on non-adjacent (1,3)

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Question ID VK-148608