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

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 11 - 8.1. Organic chemistry Nomenclature of organic compounds4 Marks
MCQ
Which is the correct $IUPAC $ name for :

$\begin{array}{*{20}{c}}
{C{H_3} - CH - C{H_2} - Br}\\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}\\
{{C_2}{H_5}\,\,\,\,\,\,\,\,\,}
\end{array}$

  • A
    $1$ -boromo- $2$ -ethylpropane
  • B
    $1$ -bromo- $2$ -ethyl- $2$ -methylethane
  • ✓
    $1$ -bromo- $2$ -methylbutane
  • D
    $2$ -methyl- $1$ -bromobutane
✓

Answer

Correct option: C.
$1$ -bromo- $2$ -methylbutane
c
Numbering should start at the substituent carbon and longest chain should be covered.

$1$- Bromo-$2$-methylbutane

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