WAEC Chemistry 2011 Theory — Question 15
Question 15 of 31 from the West African Examinations Council (WAEC) Chemistry 2011 Theory paper, with the correct answer and a full explanation.
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4a(i) What is a functional group? (ii) State the functional group in each of the following compounds: I. CH3CH2CH(CH3)OH, II. CH3CH2CH2COOH.
Model answer
(i) A functional group refers to an atom, a group of atoms or a bond that is responsible for the chemical properties of organic compounds. (ii) I. CH3CH2CH(CH3)OH has the hydroxyl functional group (-OH). II. CH3CH2CH2COOH has the carboxylic/alkanoic acid functional group (-COOH).
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