MCQ
Which responds to $+ve$ iodoform test ?
- AButanol
- BButan$-1-$al
- ✓Butanol$-2$
- D$3-$pentanone
✓
Answer
Correct option: C.
Butanol$-2$
c
$\mathop {\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,OH} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\
{C{H_3} - C{H_2} - CH - C{H_3}}
\end{array}}\limits_{{\text{2}}\,\,{\text{butanol}}} $ contain ${\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,OH\,\,} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,} \\
{C{H_3} - CH - }
\end{array}}$
$\mathop {\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,OH} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\
{C{H_3} - C{H_2} - CH - C{H_3}}
\end{array}}\limits_{{\text{2}}\,\,{\text{butanol}}} $ contain ${\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,OH\,\,} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,} \\
{C{H_3} - CH - }
\end{array}}$
group by which it give $+ve$ iodoform test.
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