CBSE Class 12 · 2002 · All India; also Foreign · Alcohols Phenols and EthersShort Answer

(i) HOCH${}_2$–CH(CH${}_3$)–CH${}_2$–CH(CH${}_3$)–CH${}_2$CH${}_3$: hexan-1-ol chain with methyls at C-2 and C-4 —

(ii), (iii) Apply the same procedure to the displayed structures: choose the longest chain containing the carbinol carbon, number from the end giving –OH the lowest locant, then cite substituents alphabetically with their locants. (The printed structures are reproduced in the figure for exact reading.)