Name of the Organisation : Noorul Islam University
Name of the Exam : BE/ BTech Entrance Exam
Document type : Model Question paper
Website : niuniv.com
Download Model/Sample Question Papers :
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Entrance Exam Model Question Paper :
(Declared as Deemed-to-be university u/s 3 of UGC Act 1956)
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INSTRUCTION TO THE CANDIDATES
1. Use only Pencil to indicate your answers. Use Ball-Point Pen only for writing Name, Register Number and Signature.
2. Darken the square completely.
31. The commercially known compound gammexane is
(a) Freon
(b) chloral
(c) 2-phenyl ethanol
(d) hexachlorocyclohexane
32. The bond order of oxygen molecule is
(a) 2.5 (b) 1 (c) 3 (d) 2
33. An element which was burnt in limited supply of air to give oxide A which on treatment with water gives an acid B. Acid B on heating gives acid C which gives yellow precipitate with AgNO3 solution A is
(a) SO2 (b) NO2
(c) P2O3 (d) SO3
34. The electronic configuration of chromium is
(a) 3d6 4s0 (b) 3d5 4s1
(c) 3d4 4s2 (d) 3d3 4s2 4p1
35. The geometry of [Ni(CN)4]2- is
(a) Tetrahedral (b) Square planar
(c) Triangular (d) Octahedral
36. The type of isomerism found in the complexes [Co(NO2)(NH3)5]SO4 and [Co(SO4)(NH3)5]NO2
(a) Hydrate isomerism
(b) Coordination isomerism
(c) Linkage isomerism
(d) Ionisation
37. Which of the following is used as neutron absorber in the nuclear reactor?
(a) Water
(b) Deuterium
(c) Some compound of uranium
(d) Cadmium
38. All the naturally occurring processes proceed spontaneously in a direction which leads to
(a) decrease of entropy
(b) increase in enthalpy
(c) increase in free energy
(d) decrease of free energy
39. For the second order reaction t1/2
a) 1/a b) 1/a2
c ) constant d) a
40. The half life period of a first order reaction is 10 min. Then its rate constant is
a) 6.93 x 102 min-1
b) 0.693 x 10-2 min-1
c) 6.932 x 10-2 min-1
d) 69.3 x 10-1 min-1
41. The migration of colloidal particles under the influences of an electric field is known as
a) electroosmosis b) cataphoresis
c) electrodialysis d) electrophoresis
42. When one coulomb of electricity is passed through an electrolytic solution, the mass deposited on the electrode is equal to
a) equivalent weight
b) molecular weight
c) electrochemical equivalent
d) one gram
43. The feasibility of a redox reaction can be predicted with the help of
a) Electronegativity
b) Electrochemical series
c) Electron affinity
d) Equivalent conductance
44. Which among the following exhibit geometrical isomerism?
a) isobutyraldehyde
b) 1-butene
c) 1,1-dichloroethylene
d) 1-chloro-2-bromo ethylene
45. When ethyl iodide is treated with dry silver oxide it forms
a) Ethyl alcohol
b) diethylether
c) silver ethoxide
d) ethyl methyl ether
46. Methyl ketones are usually characterized by
a) Fehlings solution
b) iodoform test
c) Schiff’s test
d) Tollen’s reagent
47. Nitration of nitrobenzene results in
a) o-dinitrobenzene
b) 1,3,5-trinitrobenzene
c) p-dinitrobenzene
d) m-dinitrobenzene
48. Alkaline hydrolysis of cooking oil gives
a) soap b) glycerol
c) fatty acids d) both (a) and (b)
49. Which will not answer cannizaro reaction
(a)Formaldehyde
(b)Benzaldehyde
(c)Trimethyl acetaldehyde
(d)Methyl acetaldehyde
50. Which will give an yellow precipate of iodoform when treated with I2&NaOH
(a)CH3COCH3
(b)CH3COOH
(c)CH3CH2CH2OH
(d)None of these
51. Number of stable isomers for the compound with the formula C7H8O
(a)5 (b)3 (c)4 (d)1
52. Petrol contains mainly
(a)Methane (b)Butane
(c)Decane (d)Benzene
53. A substance which can function both as an analgesic & antipyretic
(a)Aspirin (b)Acetamide
(c)Methylsalicylate (d)Quinine
54. Acid rain is caused by the oxides of
(a)Metals (b)S&N
(c)P&N (d)P&S
55. Tartaric acid is present in
(a)Rubber (b)Tamarind
(c)Rice (d)Banana fruit
56. An example of a thermosetting plastic is
(a)PVC (b)Polyethylene
(c)Bakelite (d)Nylon
57. The indicator used for titrating oxalic acid against NaOH
(a)Methyl orange
(b)Phenolphthalein
(c)Both (a)&(b)
(d)None
58. Lunar caustic is
(a) NaOH (b) AgNO3
(c) HNO3 (d) KOH
59. Which is not a transition metal
(a)Ag (b)Pt
(c)Pb (d)Au
60. The no of unpaired electrons an atom of Ni(28) is
(a)3 (b)0
(c)2 (d)5