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AIPMT PRELIMS2011Chemistry-Organic Chemistry

AIPMT PRELIMS 2011 Chemistry IUPAC Nomenclature MCQ Question

Type: MCQ-conceptual-Medium-Class 11

The structure is:

Question diagram
A

³−(1−ethylpropyl)hex−1−ene³⁻(¹⁻ethyl propyl) hex^{-1}-ene

B

⁴−Ethyl−3−propylhex−1−ene⁴⁻Ethyl^{-3}-propyl hex^{-1}-ene

C

³−Ethyl−4−ethenylheptane³⁻Ethyl^{-4}-ethenyl heptane

D

³−Ethyl−4−propylhex−5−ene³⁻Ethyl^{-4}-propyl hex^{-5}-ene

Correct Answer

Option B

Detailed Explanation

The correct IUPAC name for the given structure is⁴⁻Ethyl−3l^{-3}-propylhex−1x^{-1}-ene based on the longest carbon chain and the position of the double bond.

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