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Preparation of Carboxylic Acids

The first mem...

Question

The first member of $R C O O H$ is:

A

acetic acid

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B

formic acid (

H C O O H

)

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C

butyric acid

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D

none of the above

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Solution

The correct option is C formic acid ( $H C O O H$ )
The first member of carboxylic acid is formic acid HCOOH or methanoic acid.

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Similar questions

Q. The table below shows the pH values of some chemicals.

Chemical pH
hydrochloric acid 2
ammonium hydroxide 10
sulphuric acid 1
acetic acid 5

Which of the above is the strongest acid?
(a) ammonium hydroxide
(b) acetic acid
(c) hydrochloric acid
(d) sulphuric acid

Q. Write formulas for the first five members of each homologous series beginning with

H C O O H

H C O O H ⇌ H C O O^{-} + H^{+}; K_{a} = 1.7 \times 10^{- 2}

The ionization of formic acid is represented above. Calculate

[H^{+}]

of a solution initially containing

0.1 M

H C O O H

0.05 M

H C O O N a

:

R C O N H_{2}

undergo acid catalysed hydrolysis to give:

Q. The first member of carboxylic acid series is :

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