A) acetaldehyde
B) 3-methyl-2-butanone
C) iso-butyl alcohol
D) acetophenone
Correct Answer: C
Solution :
Compounds containing either \[C{{H}_{3}}\overset{\begin{smallmatrix} o \\ || \end{smallmatrix}}{\mathop{C}}\,-\] group or \[C{{H}_{3}}\underset{\begin{smallmatrix} | \\ OH \end{smallmatrix}}{\mathop{C}}\,H-\] group give yellow coloured compound, iodoform, when treated with \[{{I}_{2}}\]and \[NaOH\]. \[C{{H}_{3}}COC{{H}_{3}}+3{{I}_{2}}+4NaOH\xrightarrow{{}}\] \[\underset{iodoform}{\mathop{CH{{I}_{3}}}}\,+C{{H}_{3}}COONa+3{{H}_{2}}O+3NaI\]
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