(i) Define the term functional group. Identify the functional group present in (a) H-overset(O)overset(||)(C)-H, (b) H-underset(H)underset(|)overset(H)overset(|)H-overset(OH)overset(|)(C)=O (ii) What happens when 5% alkaline KMnO_(4) solution is added drop by drop to warm ethanol taken in a test-tube ? State the role of alkaline KMnO_(4) solution in this reaction.

(i) Define the term functional group. Identify the functional group pr

1.	(i) Define the term functional group. Identify the functional group present in (a) H-overset(O)overset(\|\|)(C)-H, (b) H-underset(H)underset(\|)overset(H)overset(\|)H-overset(OH)overset(\|)(C)=O (ii) What happens when 5% alkaline KMnO_(4) solution is added drop by drop to warm ethanol taken in a test-tube ? State the role of alkaline KMnO_(4) solution in this reaction.
Answer» Solution :(i) Functional group-Hetero atom or group of ATOMS attached to the carbon chain, which GIVES specific properties to the compounds, is called a functional group. (a) Aldehyde group, (B) Carboxylic acid (ii) Acetic/Ethanoic acid is formed. It is an OXIDIZING AGENT.