Methylenecyclopentane (a cyclopentane ring with an exocyclic =CH_2) on ozonolysis gives

JEE Main Chemistry question

Methylenecyclopentane (a cyclopentane ring with an exocyclic =CH) on ozonolysis gives

(A)Cyclopentanone + HCHOCorrect
(B)Cyclopentanone-2-carboxaldehyde
(C)An open-chain dialdehyde (ring-opened)
(D)None of these

Answer: (A)

Solution

The exocyclic double bond's ring carbon, being part of the ring with two ring C–C bonds plus the double bond, becomes a ring ketone (cyclopentanone) on

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Question ID VK-142382