Which of the following compounds will fall in the same homologous series of formic acid $(H - C O O H)$ ?

C H_{3} C O O H

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C H_{3} C O C H_{3}

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C H_{3} C H O

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None of the above

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Solution

The correct option is A $C H_{3} C O O H$
The given formula is the starting member of the carboxylic acid series.

The formulae for the members of homologous series of carboxylic acid which begins with $H C O O H$ are:

$H C O O H, C H_{3} C O O H, C H_{3} C H_{2} C O O H, C H_{3} C H_{2} C H_{2} C O O H, C H_{3} C H_{2} C H_{2} C H_{2} C O O H$ and so on.

Hence, the correct option is A.

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Similar questions

Draw formulas for the first five members of each homologous series beginning with the following compounds. (a) H–COOH (b) CH₃COCH₃ (c) H–CH=CH₂

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. Arrange the following compounds in increasing order of their property as indicated.
(i)

C H_{3} C O C H_{3}, C_{6} H_{5} C O C H_{3}, C H_{3} C H O

(reactivity towards nucleophilic addition reaction)
(ii)

C I - C H_{2} - C O O H, F - C H_{2} - C O O H, C H_{3} - C O O H

(acidic character).

Ethane, Ethene, Ethanoic acid, Ethyne, Ethanol

From the above, name
(a) The compound with –OH as the part of its structure,
(b) The compound with –COOH as the part of its structure.
(c) Homologue of homologous series with general formula $C_{n} H_{2 n}$ .

Draw formulas for the first five members of each homologous series beginning with the following compounds.

$H - C O O H$

$C H_{3} C O C H_{3}$

$H - C H = C H_{2}$

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Which of the following compounds will fall in the same homologous series of formic acid (H−COOH)?

The correct option is A CH3COOHThe given formula is the starting member of the carboxylic acid series.The formulae for the members of homologous series of carboxylic acid which begins with HCOOH are:HCOOH,CH3COOH,CH3CH2COOH,CH3CH2CH2COOH,CH3CH2CH2CH2COOH and so on.Hence, the correct option is A.

Which of the following compounds will fall in the same homologous series of formic acid $(H - C O O H)$ ?