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  • In which of the following compounds, — OH is the functional group? (a) Butanone

In which of the following compounds, -OH is the functional group? 

(a) Butanone 

(b) Butanol 

(c) Butanoic acid 

(d) Butanal 

Answers (1)

Answer:(b)

Solution:

(a) Butanone: C_4H_8O

The functional group is -C=O

(b) Butanol: CH_3-CH_2-CH_2-CH_2-OH

The general formula of alcohols is C_nH_{(2n+1)}- OH.

For Butanol, n = 4

Butanol Formula = C_4H_9OH

The functional group is -OH.

(c) Butanoic acid: C_4H_8O_2

The functional group is -COOH.

(d) Butanal: C_4H_8O

The functional group is -CHO.

Therefore, option (b) is correct.

Posted by

infoexpert21

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