JEE Main Chemistry question

Acetylene and ethylene react separately with cold, dilute, alkaline KMnO to give, respectively,

(A)Oxalic acid and ethylene glycolCorrect
(B)Acetic acid and ethylene glycol
(C)Ethyl alcohol and ethylene glycol
(D)None of the above

Answer: (A)

Solution

Cold, dilute alkaline KMnO (Baeyer's reagent) performs *syn*-dihydroxylation of ethylene's double bond, giving ethylene glycol (ethane-1,2-diol). The analogous

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Question ID VK-142556