MEDIUMMCQ SINGLEJEE Mains ChemistryOrganic ChemistryAldehydes and ketonesPhysical and chemical properties of Aldehydes &Ketones
Consider the following statement Acetophenone can be prepared by (1) Oxidation of 1-phenyethanol (2) Reaction of 1-phenylethanol with methyl magnesiumbromide (3) Friedel Craft’s reaction of benzene with acetyl chloride (4) Distillation of calcium benzoate
A.1 and 2
B.1 and 4
C.1 and 3✓ Correct
D.3 and 4
Explanation
The most common method used for the preparation of acetophenone is Friedel Craft’s reaction in which the benzene is reacted with acetyl chloride and the product formed is acetophenone and hydrogen chloride. The reaction is given below: 퐶6퐻6 + 퐶퐻3퐶푂퐶푙→퐶6퐻5퐶푂퐶퐻3 + 퐻퐶푙 The other process from which we can produce acetophenone is oxidation of 1-Phenyl ethanol. The reaction is given below: 퐶6퐻5퐶퐻푂퐻퐶퐻3 [푂] → 퐶6퐻5퐶푂퐶퐻3
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