(a) Write the formula of the functional group present in carboxylic acids.
(b) Name the functional group present in figure
(c) Name the functional groups present in the following compounds:
(i) CH₃CHO
(ii) CH₃CH₂COOH
(iii) CH₃COCH₃
(iv) CH₃CH₂CH₂OH

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Solution

(a) The formula of the functional group present in carboxylic acids is R-COOH (where, R is an alkyl group)

(b) The functional group present in is the alkyne group (triple bond).

(c)
(i) The functional group present in CH₃CHO is the formyl group (-CHO).

(ii) The functional group present in CH₃CH₂COOH is the group of carboxylic acids (-COOH).

(iii) The functional group present in CH₃COCH₃ is the carbonyl group (-CO-).

(iv) The functional group present in CH₃CH₂CH₂OH is the alcohol (hydroxyl) group (-OH).

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Similar questions

Q. Name the functional groups present in the following compound:
(i)

C H_{3} C H O

(ii)

C H_{3} C H_{2} C O O H

(iii)

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

(iv)

C H_{3} C H_{2} C H_{2} O H

(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) $C H_{3} - C H_{2} - C H_{2} - O H$

Write the formulae of the compounds and name the functional groups present in each of them:
(i) Ethanoic acid

(ii) Propanone

(iii) Nitromethane

Q. (a) Which functional group do you think can be present in an organic compound having the molecular formula C₅H₁₀O₂? Write the formula of the organic compound.
(b) Give one example each of the compounds having the following functional groups:
(i) Aldehyde group
(ii) Alcohol group
(iii) Carboxylic acid group
(iv) Halo group
(c) Give one example each of the compounds having the following functional groups:
(i) Alkene group
(ii) Alkyne group

Q. (a) What is meant by a functional group? Explain with an example.
(b) Write three common functional groups present in organic compounds. Giver their symbols/formulae.
(c) Name the functional groups present in the following compounds:
(i) CH₃COOH
(ii) CH₃CH₂CHO
(iii) C₂H₅OH
(iv) CH₃COCH₂CH₃
(d) Name the functional group which always occurs in the middle of a carbon chain.
(e) Draw the structures for the following compounds:
(i) Ethanal
(ii) Propanal
(iii) Butanal
(iv) Pentanal

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(a) Write the formula of the functional group present in carboxylic acids. (b) Name the functional group present in figure (c) Name the functional groups present in the following compounds: (i) CH3CHO (ii) CH3CH2COOH (iii) CH3COCH3 (iv) CH3CH2CH2OH

(a) Write the formula of the functional group present in carboxylic acids.
(b) Name the functional group present in figure
(c) Name the functional groups present in the following compounds:
(i) CH₃CHO
(ii) CH₃CH₂COOH
(iii) CH₃COCH₃
(iv) CH₃CH₂CH₂OH