JEE Main · 2024 · Shift-IIeasyGOC-013

Identify structure of 2,3-dibromo-1-phenylpentane.

General Organic Chemistry (GOC) · Class 11 · JEE Main Previous Year Question

Question

Identify structure of 2,3-dibromo-1-phenylpentane.

Options
  1. a

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  2. b

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  3. c

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  4. d

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Correct Answerb

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Detailed Solution

IUPAC Name Analysis: 2,3-dibromo-1-phenylpentane

Breaking down the name:

  • Pentane: 5-carbon main chain
  • 1-phenyl: Phenyl group (C₆H₅-) at position 1
  • 2,3-dibromo: Two bromine atoms at positions 2 and 3

\cePhCH2CHBrCHBrCH2CH3\ce{Ph-CH2-CHBr-CHBr-CH2-CH3} Verification:

  • 5 carbons in main chain ✓
  • Phenyl at C1 ✓
  • Br at C2 and C3 ✓

Answer: (b)\boxed{\text{Answer: (b)}}

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