Question

Q. mention three ways by which we prepare aldehyde and ketones?​

Answer 1

19.2: Preparing Aldehydes and Ketones

Oxidation of 1o alcohols with PCC to form aldehydes.

Hydration of an alkyne to form aldehydes.

Reduction of an ester, acid chloride or nitrile to form aldehydes.

Oxidation of 2o alcohols to form ketones.

Hydration of an alkyne to form ketones.

Friedel-Crafts acylation to form a ketone.

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Answer 2

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Your answer:

Aldehydes can be prepared by the following processes:

=> partial oxidation of primary alcohols

=> by ozonolysis

=> by rosenmund reduction of acid chlorides

Ketones can be prepared by:

=> partial oxidation of secondary alcohols

=> also by ozonolysis

=> by Fridel Craft's acylation

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