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8.1. Organic chemistry Nomenclature of organic compounds — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry8.1. Organic chemistry Nomenclature of organic compounds1 Mark
MCQ
The $IUPAC$ name of $C{H_3} - \mathop {\mathop {CH}\limits_{|\,\,\,\,} }\limits_{OH} - C{H_2} - \mathop {\mathop {CH}\limits_{|\,\,\,\,} }\limits_{C{H_3}} - CHO$ will be
  • A
    $4-$ hydroxy $-1-$ methylpentanal
  • ✓
    $4- $ hydroxy $-2-$ methylpentanal
  • C
    $3- $ hydroxy $-2-$ methylpentanal
  • D
    $3- $ hydroxy $-3-$ methylpentanal
✓

Answer

Correct option: B.
$4- $ hydroxy $-2-$ methylpentanal
b
It’s obvious.

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