Aldehydes Ketones Question 107

Question: Consider the following statement Acetophenone can be prepared by (1) Oxidation of 1-phenylethanol (2) Reaction of benzalthanol with methyl magnesium bromide (3) Friedel craft’s reaction of benzene with acetyl chloride (4) Distillation of calcium benzoate

[SCRA 2001]

Options:

A) 1 and 2

B) 1 and 4

C) 1 and 3

D) 3 and 4

Show Answer

Answer:

Correct Answer: C

Solution:

$ \underset{1-Phenylethanol}{\mathop{C_6H_5CHOHCH_3}}\xrightarrow{[O]}\underset{Acetophenone}{\mathop{C_6H_5COCH_3}} $

$ C_6H_6+CH_3COCl\underset{reaction}{\mathop{\xrightarrow{Friedel\text{craft }’\text{ s}}}}C_6H_5COCH_3+HCl $