#1
August 14th, 2014, 11:38 AM
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Delhi University MSc Chemistry Entrance Test Exam Question Paper
Will you please provide the Question Paper of Delhi University MSc Chemistry Entrance Test Exam ?
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#2
August 14th, 2014, 01:04 PM
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Re: Delhi University MSc Chemistry Entrance Test Exam Question Paper Here I am providing the list of few questions of question paper for Delhi university for MSc Chemistry entrance examination Q.Diazonium salt can be prepared by reacting nitrous acid with : Toluene (B) Phenol Aniline (D) Pyridine Q Which of the following is an antibiotic ? Paracetamol (B) Aspirin Caffeine (D) Penicillin Q Friedel-Craft’s alkylation proceeds in the presence of : Lewis acid (B) Lewis base Peroxides (D) Sodium hydroxide Q Acetaldehyde reacts with CH3MgI to yield : Isopropyl alcohol (B) Ethanol Acetone (D) t-Butyl alcohol CH3 Br O Q Oils and fats are esters formed from glycerol and : Sulphonic acids (B) Long chain aliphatic acids Aromatic acids (D) α-Amino acids Q The compound CH3–CH–CH2–CH–C–CH3 has the IUPAC name as : 3-Bromo-5-methyl-2-hexanone (B) 3-Bromo-2-heptanone 4-Bromo-2-methyl-5-hexanone (D) 3-Bromo-4-isopropyl-2-butanone Q A carboxylic acid can be converted into the corresponding anhydride using : SOCl2 (B) SO2 Conc. H2SO4 (D) P2O5 Q The first step in the chlorination of methane in the presence of U.V. light is : Heterolytic fission of chlorine molecule (B) C–H bond cleavage Homolytic fission of chlorine molecule (D) Formation of a carbocation Q Which is the correct statement ? Ethanol should boil at a temperature lower than that for ethane. Ethanol is less acidic than phenol Phenol is more acidic than acetic acid Ethyne is a non-linear molecule. Q Which is not a true statement ? Starch is a polysaccharide Sucrose is a carbohydrate Fructose and glucose don’t have the same molecular formula Glucose is a monosaccharide Q The synthetic resin bakelite can be obtained by using the starting material : Formic acid (B) Acetic acid Formamide (D) Formaldehyde Q Enzymes are biocatalysts belonging to a class of compounds known as : Alkaloids (B) Steroids Proteins (D) Polyesters Q Aromatic sulphonic acids are important compounds for producing : Soaps (B) Rubber Nylons (D) Detergents Q Which of the following is not contributing to the environmental pollution ? Nitrogen (B) Carbon dioxide Sulphur dioxide (D) Chlorofluorohydrocarbons Q Which of the following is most basic ? O H2N–C–NH2 (B) C6H5–NH2 O C2H5–NH2 (D) C6H5–C–NH2 Q Acetanilide is obtained by a reaction of aniline with : Acetone (B) Acetamide Methyl chloride (D) Acetyl chloride Q Which of the following does not undergo Cannizzaro reaction ? Acetaldehyde (B) Formaldehyde Trichloroacetaldehyde (D) Benzaldehyde Q The number of sigma bonds and pi-bonds in CH3–CH=CH2 are respectively : 7, 1 (B) 8, 1 1, 8 (D) 2, 7 Q The compound which cannot undergo dehydrohalogenation is : Methyl bromide (B) n-Butyl Chloride Ethyl iodide (D) Isopropyl bromide Q Which one is an electrophile ? AlCl3 (B) C2H5NH2 CN¯ (D) C2H5OH |
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