(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

Academic Chemistry NCERT Class 10

(a) The functional group present in an organic compound having the molecular formula C₅H₁₀O₂ is the Carboxylic acid group, (−COOH) and its formula is C₄H₉COOH

(b) One example of each of the compounds having the following functional groups are:

(i) Aldehyde group: Ethanal (CH₃CHO)

(ii) Alcohol group: Methanol (CH₃OH)

(iii) Carboxylic acid group: Ethanoic acid (CH₃COOH)

(iv) Halo group: Chloromethane (CH₃Cl)

(c) The example of each of the compounds having the following functional groups are:

(i) Alkene group: Ethene (CH₂=CH₂)

(ii) Alkyne group: Ethyne (CH≡CH).

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Updated on: 10-Oct-2022

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