Compound A on oxidation with OsO_4/NaIO_4 gives hexanedial, OHC(CH_2)_4CHO. The structure of A is

JEE Main Chemistry question

Compound on oxidation with OsO/NaIO gives hexanedial, OHC(CH)CHO. The structure of is

(A)CyclohexeneCorrect
(B)Cyclohexane
(C)Methylenecyclopentane
(D)1,2-Dimethylcyclobutene

Answer: (A)

Solution

OsO/NaIO (the Lemieux–Johnson reagent combination) oxidatively cleaves a C=C double bond to two carbonyl groups, just like ozonolysis. Cleaving the single

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Question ID VK-142434