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Q.

The functional group present in aldehydes is ______.

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a

-OH

b

-COOH

c

-NH2

d

-CHO

answer is B.

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Detailed Solution

Aldehydes are members of a class of carbonyl compounds represented by a functional group -CHO. The suffix that is used for aldehyde compounds is '-al". Examples of aldehydes with their formula are- Methanal (HCHO), Ethanal (CH3CHO), Propanal (CH3CH2CHO), etc. In the rest of the options, -OH is the hydroxyl or Alcohol group, -COOH is the carboxylic acid group, and -NH2 is the amine group.

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