Tiêu đề Chap. 4.pdf ✅

4.1 INTRODUCTION, CLASSIFICATION, NOMENCLATURE AND STRUCTURE OF FUNCTIONAL GROUP 1. Which of the following is a secondary alcohol? (a) (b) (c) (d) CH3OH 2. Which of the following is an allylic alcohol? (a) CH2 CHCH2OCH3 (b) CH2 CHCH2CH3 (c) HOCH CHCH2CH3 (d) CH3CH CHCH2OH 3. Identify which of the compound having 2 alcohol ? (a) (b) (c) (d) 4. Identify 2 alcohol in the given following alcohols: (a) (b) (c) (d) 372 Elementary Organic Chemistry for Medical OH OH OH OH HO OH OH OH OH CH CH3 3 H OH [A] Alcohols Level-1 Alcohols, Phenols and Ethers 4


(a) (b) (c) (d) 22. What is the product of the following reaction? (a) (b) (c) (d) 23. Which of the following compounds gives 3-methyl-2-butanol upon reduction with LiAlH4 ? (a) a (b) b (c) c (d) d 24. Conversion of isobutene into isobutyl alcohol can be possible with : (a) HOH/H (b) BH3 followed by H2O2 /OH s (c) conc. H2SO4 followed by HOH (d) All of these 25. ; Product [P] is : (a) CH CH CH 3 CH OH 3 — — 2 | (b) CH CH OH 3 — CH2 CH3 | — — (c) CH C OH CH 3 CH 3 — — 3 | | (d) CH3 — CH CH2 26. Which of the following compounds gives vic diol with Na/C2H5OH ? (a) RCHO (b) R — R || C— O (c) C6H5CHO (d) All 27. Propanal can be converted into 1-propanol by : (a) KMnO4 /H / (b) KMnO4 /OH s / (c) NH2NH2 /OH s / (d) NaBH4 Alcohols, Phenols and Ethers 375 → 1. B H , THF 2 6 2. NaOH, H2 2 O ? O OH OH O O O O O a b c d H CH3 2 —CH—CH →[P] (i) CH MgBr 3 r (ii) HOH/H O OH OH O + OH OH O OH OH + OH OH + enantiomer OH O + OH OH OH OH