#1
3rd September 2014, 07:59 AM
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Sample question papers of M.Sc Chemistry entrance exam of University of Delhi
Will you please share with me the sample question papers of M.Sc Chemistry entrance exam of University of Delhi?
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#2
3rd September 2014, 08:29 AM
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Re: Sample question papers of M.Sc Chemistry entrance exam of University of Delhi
As you want to get the sample question papers of M.Sc Chemistry entrance exam of University of Delhi so here it is for you: 1. Which of the following is an antibiotic ? (A) Paracetamol (B) Aspirin (C) Caffeine (D) Penicillin 2. Diazonium salt can be prepared by reacting nitrous acid with : (A) Toluene (B) Phenol (C) Aniline (D) Pyridine 3. Friedel-Craft’s alkylation proceeds in the presence of : (A) Lewis acid (B) Lewis base (C) Peroxides (D) Sodium hydroxide 4. Oils and fats are esters formed from glycerol and : (A) Sulphonic acids (B) Long chain aliphatic acids (C) Aromatic acids (D) α-Amino acids 5. Acetaldehyde reacts with CH3MgI to yield : (A) Isopropyl alcohol (B) Ethanol (C) Acetone (D) t-Butyl alcohol CH3 Br O 6. The compound CH3–CH–CH2–CH–C–CH3 has the IUPAC name as : (A) 3-Bromo-5-methyl-2-hexanone (B) 3-Bromo-2-heptanone (C) 4-Bromo-2-methyl-5-hexanone (D) 3-Bromo-4-isopropyl-2-butanone 7. Which is the correct statement ? (A) Ethanol should boil at a temperature lower than that for ethane. (B) Ethanol is less acidic than phenol (C) Phenol is more acidic than acetic acid (D) Ethyne is a non-linear molecule. 8. A carboxylic acid can be converted into the corresponding anhydride using : (A) SOCl2 (B) SO2 (C) Conc. H2SO4 (D) P2O5 9. The first step in the chlorination of methane in the presence of U.V. light is : (A) Heterolytic fission of chlorine molecule (B) C–H bond cleavage (C) Homolytic fission of chlorine molecule (D) Formation of a carbocation 10. Which is not a true statement ? (A) Starch is a polysaccharide (B) Sucrose is a carbohydrate (C) Fructose and glucose don’t have the same molecular formula (D) Glucose is a monosaccharide 11. The synthetic resin bakelite can be obtained by using the starting material : (A) Formic acid (B) Acetic acid (C) Formamide (D) Formaldehyde 12. Which of the following is not contributing to the environmental pollution ? (A) Nitrogen (B) Carbon dioxide (C) Sulphur dioxide (D) Chlorofluorohydrocarbons 13. Enzymes are biocatalysts belonging to a class of compounds known as : (A) Alkaloids (B) Steroids (C) Proteins (D) Polyesters 14. Aromatic sulphonic acids are important compounds for producing : (A) Soaps (B) Rubber (C) Nylons (D) Detergents 15. Which of the following is most basic ? O (A) H2N–C–NH2 (B) C6H5–NH2 O (C) C2H5–NH2 (D) C6H5–C–NH2 16. The compound which cannot undergo dehydrohalogenation is : (A) Methyl bromide (B) n-Butyl Chloride (C) Ethyl iodide (D) Isopropyl bromide 17. Acetanilide is obtained by a reaction of aniline with : (A) Acetone (B) Acetamide (C) Methyl chloride (D) Acetyl chloride 18. Which of the following does not undergo Cannizzaro reaction ? (A) Acetaldehyde (B) Formaldehyde (C) Trichloroacetaldehyde (D) Benzaldehyde 19. The number of sigma bonds and pi-bonds in CH3–CH=CH2 are respectively : (A) 7, 1 (B) 8, 1 (C) 1, 8 (D) 2, 7 20. Which one is an electrophile ? (A) AlCl3 (B) C2H5NH2 (C) CN¯ (D) C2H5OH |
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