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SAMPLE QUESTIONS

1. Which of the following cannot undergo dehydrohalogenation ?
(A) Methyl bromide (B) iso-Propyl bromide
(C) n-Pentyl bromide (D) t- Butyl bromide

2. The most reactive of the carboxylic acid derivatives is an :
(A) Ester (B) Anhydride
(C) Amide (D) Acid chloride

3. Which of the following is a phenol ?
(A) Pentanoic acid (B) Phthalic acid
(C) Picric acid (D) Phosphoric acid

4. Which one cannot undergo nucleophilic substitution under normal conditions ?
(A) Chloroethane (B) t-Butyl chloride
(C) Chlorobenzene (D) iso-Hexyl chloride

5. Glycerol is an alcohol which can be classified as :
(A) Trihydric (B) Monohydric
(C) Dihydric (D) Hexahydric

6. Lysine is a compound belonging to the category of :
(A) Proteins (B) Amino acids
(C) Polyenes (D) Allenes

7. Haemoglobin has one of the followings as one of its constituents
(A) Mg (B) Fe
(C) Cr (D) Zn

8. Which one is not a purification technique ?
(A) Sublimation (B) Differential extraction
(C) Victor Mayer’s method (D) Chromatography

9. Benzonitrile is obtainable from benzene diazonium chloride and :
(A) Urea (B) HCN
(C) KCN (D) CuCN

10. Aldol condensation cannot be carried out on :
(A) Propanal (B) Butanone
(C) Benzaldehyde (D) Acetaldehyde

11. Geometrical isomerism arises from :
(A) Free rotation about a single bond (B) Internal compensation
(C) Restricted rotation around a double bond (D) From the presence of sp hybrid orbitals

12. The store house of genetic information is :
(A) RNA (B) DNA
(C) LIPIDS (D) ENZYMES

13. An alkaline solution of phenol undergoes Reimer Tiemann reaction with :
(A) H2C=O (B) CO2
(C) CH2Cl2 (D) CHCl3

14. A racemic mixture is characterised by :
(A) Mutarotation (B) Dextro rotation
(C) No optical rotation (D) Free rotation

15. Oils and fats are esters of glycerol and :
(A) -Amino acids (B) Long chain aliphatic acids
(C) Aromatic Sulphonic acids (D) Linear alkyl benzene sulphonic acids

16. The number of sigma and pi bonds in the propene molecule are respectively :
(A) 7 and 1 (B) 8 and 1
(C) 1 and 8 (D) 2 and 7

17. Aspirin is obtained starting with
(A) HO COOH (B) COOH
(C) COOH (D) COOH

18. Rubber is a polymer of :
(A) Isoprene (B) Pyrene
(C) Urea (D) Ethene

19. The product of a reaction of propyne with HI will be
(A) CH3 CH2 CH2I (B) CH3–CH=CHI
(C) CH3–CI2–CH3 (D) CH3–CH–CH2I

20. Ammonia is evolved when aq. NaOH is heated with
(A) Benzoic acid (B) Ethyl amine
(C) Nitrobenzene (D) Acetamide

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