A) \[C{{H}_{3}}CN\]
B) \[C{{H}_{3}}OH\]
C) \[C{{H}_{3}}COC{{H}_{3}}\]
D) \[{{C}_{6}}{{H}_{5}}OH\]
Correct Answer: C
Solution :
Compounds containing\[\left( C{{H}_{3}}\text{ }\overset{\begin{smallmatrix} O \\ || \end{smallmatrix}}{\mathop{C}}\, \right)\]group give the iodoform test. \[C{{H}_{3}}\overset{\begin{smallmatrix} O \\ || \end{smallmatrix}}{\mathop{C}}\,C{{H}_{3}}+3{{I}_{2}}+NaOH\xrightarrow[{}]{{}}\] \[\underset{Iodoform\text{ }(yellow\text{ }ppt)}{\mathop{CH{{I}_{3}}+HCOONa}}\,+{{H}_{2}}O\] Hence, only acetone gives the iodoform test.
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