MHT CET 2025 Chemistry question

What is the number of structural isomers possible for alkene with molecular formula ?

(A)2
(B)3
(C)4
(D)5Correct

Answer: (D)

Solution

Alkenes of formula (one ): with a straight chain: pent-1-ene and pent-2-ene (2 isomers); with a branched chain (four-carbon main chain with a methyl group): 2-methylbut-1-ene, 3-methylbut-1-ene and 2-methylbut-2-ene (3 isomers). 2,2-Dimethylpropane has no possible C=C

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Question ID VK-102240