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Question

A compound with molecular formula C₅H₁₀ shows chain isomerism with CH₃CH₂CH₂CH=CH₂ and lacks geometrical isomerism. What is its structure?

Options

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Explanation

CH₃CH₂CH₂CH=CH₂ (pent-1-ene) has no geometrical isomerism. CH₃C(CH₃)=CHCH₃ (2-methylbut-2-ene) is a chain isomer, also lacking geometrical isomerism due to identical substituents.