Aldehydes Ketones Question 95
Question: Which of the following compound gives a ketone with Grignard reagent
[CPMT 1988; MP PET 1997]
Options:
A) Formaldehyde
B) Ethyl alcohol
C) Methyl cyanide
D) Methyl iodide
Show Answer
Answer:
Correct Answer: C
Solution:
$ CH_3-C\equiv N+C{{\bar{H}}_3}M{g^{+}}Br\to CH_3-\underset{CH_3}{\mathop{\underset{|}{\mathop{C=N}}-}}MgBr $
$ CH_3-CO-CH_3+NH_3+Mg<\begin{matrix} Br \\ OH \\ \end{matrix} $