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

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry8.1. Organic chemistry Nomenclature of organic compounds1 Mark
MCQ
The $IUPAC$ name of the given compound $CH_3 -CH = CH -COOC_2H_5$ is
  • A
    Ethyl $-1-$ butenoate
  • ✓
    Ethyl $-2-$ butenoate
  • C
    Ethyl propenoate
  • D
    Propene ethyl methanoate
✓

Answer

Correct option: B.
Ethyl $-2-$ butenoate
b
$\begin{array}{*{20}{c}}
  {\mathop C\limits^4 {H_3} - \mathop C\limits^3 H = \mathop C\limits^2 H - \mathop C\limits^1  - O - {C_2}{H_5}} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O} 
\end{array}$

Ethyl $2-$butanoate

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