Carboxylic acids have a group in its molecule.

-OH

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R-O-R

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-COOH

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-CHO

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Solution

The correct option is C -COOH
Carboxylic acids have a $- O | | C - O H$ group attached in its molecule.

For example, methanoic acid $(C H_{3} C O O H)$ is a carboxylic acid as it has a $- C O O H$ group in its molecule.

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Similar questions

Q. Carboxylic acids have a -COOH group in its molecule.

Q. Which of the following compounds contains a carboxylic acid group?

C H_{3} O H, C H_{3} C O O H, C H_{3} C H O, C H_{3} C O C H_{3}

Q. The - COOH group in a carboxylic acid canbe replaced by H by heating the acid with :

Q. The

- O H

- C O O H

group of a carboxylic acid can be replaced by

- C l

using:

(a) Write the formula of the functional group present in carboxylic acids.
(b) Name the functional group present in $C H_{3} - C \equiv C H .$
(c) Name the functional groups present in the following compounds :
(i) $C H_{3} - C H O$ (ii) $C H_{3} - C H_{2} - C O O H$ (iii) $C H_{3} - O | | C - C H_{3}$ (iv) $C H_{3} - C H_{2} - C H_{2} - O H$

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Carboxylic acids have a group in its molecule.

The correct option is C -COOHCarboxylic acids have a −O||C−OH group attached in its molecule. For example, methanoic acid (CH3COOH) is a carboxylic acid as it has a −COOH group in its molecule.

The correct option is C -COOH
Carboxylic acids have a $- O | | C - O H$ group attached in its molecule.

For example, methanoic acid $(C H_{3} C O O H)$ is a carboxylic acid as it has a $- C O O H$ group in its molecule.