A) Ethanol
B) Methanal
C) Ethanal
D) Propanone
Correct Answer: C
Solution :
The compound which contains \[-COC{{H}_{3}}\]group in its structure, give positive iodoform test and the compound which contains \[-CHO\] group give positive Fehling test. In ethanal, \[C{{H}_{3}}CHO\] both the groups are present, hence it responds to both iodoform test and Fehling's test. \[C{{H}_{3}}CHO+{{I}_{2}}+NaOH\xrightarrow{{}}\underset{Iodoform}{\mathop{CH{{I}_{3}}}}\,\] \[+NaI+{{H}_{2}}O\] \[C{{H}_{3}}CHO+\underset{\begin{smallmatrix} Fehling's \\ solution \end{smallmatrix}}{\mathop{Cu{{(OH)}_{2}}}}\,\xrightarrow{{}}C{{H}_{3}}COOH\] \[\underset{Red\text{ }ppt}{\mathop{+C{{u}_{2}}O\downarrow }}\,+2{{H}_{2}}O\]
You need to login to perform this action.
You will be redirected in
3 sec
