B.Sc. CSIT Entrance Model Question with Answer | Chemistry

Azimuthal quantum number describes
(a) orbital size (b) orbital orientation
(c) orbital shape (d) nuclear stability

  1. The radioactive rays having highest penetrating power is
    (a) rays (b)  rays (c) rays
    (d) all have equal penetrating power
  2. Which of the following has an electrovalent linkage?
    (a) MgCl2 (b) CH4 (c) SiCl4 (d) CCl4
  3. The element having highest value of electronegativity is
    (a) chlorine (b) fluorine (c) bromine (d) iodine
  4. Oxidation number of chromium in Cr2O7
    (a) + 6 (b) + 5 (c) + 4 (d) + 3
    B.Sc. CSIT Entrance Examination Model Question 4
  5. Which of the following is an amphoteric oxide?
    (a) CaO (b) MgO (c)CuO (d) ZnO
  6. The structure of Buckminister fullerene contains
    (a) 20 six member rings and 12 five member rings
    (b) 12 six member rings and 20 five member rings
    (c) 12 six member rings and 10 five member rings
    (d) 12 six member rings and 8 five member rings
  7. Down’s process is used for the extraction of
    (a) ammonia (b) nitric acid (c) sodium (d) sulphuric acid
  8. The IUPAC name of iso-butane is
    (a) 2-methylpropane (b) 2,2-dimethylpropane
    (c) 2-methylpropene (d)2-methylbutane
  9. An alkaline KMnO4 solution is known as
    (a) Tollen’s reagent (b) Baeyer’s reagent
    (c) Fehling’s reagent (d) Grignard reagent
  10. When haloalkane solution is treated with metallic sodium in presence of
    dry ether, respective alkane is obtained. This reaction is known as
    (a) Wurtz reaction (b) Wolf-Kishner reduction
    (c) Cannizzaro’s reaction (d) Reimer-Tiemann reaction
  11. The general formula of alkanes is
    (a) CnH2n (b)CnH2n+2 (c)CnH2n-2 (d)None of the above
  12. Detection of nitrogen, sulphur and halogens in organic compounds is
    done by
    (a) Lassaigne’s test (b) Lucas test
    (c) Victor meyer test (d) carbylamine test
  13. The structure of methane is
    (a) trigonal planar (b) linear (c) tetrahedral (d) square planar
  14. Equivalent weight of potassium dichromate in an acidic medium is equal
    to its
    (a) mol. wt./6 (b) mol. wt./3 (c)mol. wt./4 (d) mol. wt./2
  15. An example of Lewis base is
    (a) BF3 (b) AlCl3 (c) FeCl3 (d)NH3
  16. A device which can generate electricity by means of a redox reaction is
    (a) electrochemical cell (b) galvanic cell
    (c) voltaic cell (d)all of the above
  17. 1calorie is equal to
    (a) 4.184 joules (b) 5.184 joules
    (c) 3.184 joules (d) 2.184 joules
  18. The rate of a reaction depends on
    (a) concentration of reacting species (b) temperature
    (c) surface area of the reactants (d) all of the above
  19. Each carbon atom of benzene is
    (a) sp3 hybridized (b) sp2 hybridized
    (c) sp hybridized (d) sp3d hybridized
  20. Which is correct for the reaction of Lucas reagent with
    tertiary alcohol?
    (a) no turbidity occurs at room temperature
    (b) turbidity appears within five minutes
    (c) turbidity appears immediately
    (d) turbidity appears within ten minutes
  21. Fat is a
    (a) lipid (b) carbohydrate (c) protein (d) amino acid
  22. Bakelite is made by the action of
    (a) phenol on formaldehyde (b) urea on formaldehyde
    (c) melamine on formaldehyde
    (d) ethylene glycol on phthalic acid
  23. Which of the following compound is called corrosive sublimate?
    (a) Hg2Cl2 (b) HgCl2 (c) K2HgI4HgI2
  24. Haematite is an ore of
    (a) iron(b) copper (c) mercury (d) silver