MCQ
$IUPAC$ name of the compound $\mathop C\limits^4 {H_2} = \mathop C\limits^3 H - \mathop C\limits^2 {H_2} - \mathop C\limits^1 {H_2}OH$ is
  • A
    $1-$ buten $-4-$ ol
  • $3-$ buten $-1- $ ol
  • C
    $4-$ hydroxy $-1-$ butene
  • D
    $1-$ butenol $- 4$

Answer

Correct option: B.
$3-$ buten $-1- $ ol
b
$\mathop C\limits^4 {H_2} = \mathop C\limits^3 H - \mathop C\limits^2 {H_2} - \mathop C\limits^1 {H_2}OH$

$3$- buten - $1$ -ol

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$\begin{array}{*{20}{c}}
  {\,C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
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