MCAT ECAT Chemistry MCQs
Students who are looking for MCAT chemistry MCQs from past papers its all about entry test examination. All these mcqs are for the universities of UHS and UET.
MCAT Chemistry MCQs UHS and UET Taxila
MCAT Chemistry mcqs from fsc part 1 and part 2. All mcqs are chapter wise. There are total 30 mcqs from previous examination of entry test. These mcqs are collected from mdcat ecat session 2014-2020.
MCAT Chemistry MCQs
31. In
carboxyl group electronic distribution is
(a)Symmetrical
(b)Axial
(c) Unsymmetrical
(d) Rotational
32. Formation
of acetone cyanohydrin is example of
(a) acid catalysed
(b) Hemiacetal
(c) base catalysed
(d) Markenikove
33. Which
compound cannot show iodoform test
(a)2-Propanol
(c) 3-Pentanol
(b)Ethanol
(d) 2-Butanone
34. All
primary alcohol cannot show iodoform test except
(a) Butanol
(c) Methanol
(b) Ethanol
(d) Pentanol
35. Haloform
is convienient method for conversion of methyl ketone to
(a) Aldehyde
(c) Alkalies
(b) Carboxylic acid (d)
ether
36. Iodoform
is ________
(a) insoluble in water
(c) soluble in H2O
(b) sparingly soluble in water
(d) float on surface of water
37. When
ethanol under iodoform test salt of which acid is formed
(a) acetic acid
(c) formic acid
(b) propanoic acid
(d) Butanoic acid
38. 2,4-dinitrophenyl
hydrazine is _________ solid
(a) amorphous
(c) Crystalline
(b) Crystallites
(d) soluble solid
39. Sodium
Borohydride reduces the carbon oxygen
(a) double bond
(c) single bond
(b) triple bond
(d) Coordinate covalent bond
40. When
alkoxide ion protonated with water then we get
(a) Aldehyde (c)
Alcohol
(b) ketone (d) Hemiacetal
41. Catalytic
hydrogenation of acetone gives
(a) Ethyl alcohol
(c) 1-propanol
(b) Isopropyl alcohol
(d) 2-Butanol
42. Oxidation
of 2-Butanone gives
(a) acetic acid, formic acid
(c) acetic acid, acetic acid
(b) propanoic acid, formic acid
(d) formic acid, formic acid
43. For
oxdation which compound require strong oxidizing agent
(a) aldehyde (c) ketone
(b) alcohol (d)
primary alcohol
44. In
Bendict solution test medium used is
(a) acidic (c) alkaline
(b) basic (d)
alcoholic
45. Colour
of cuprous oxide is
(a) orange (c)
yellow
(b) brick red (d)
pink
46. Ketone
cannot show all the test excpet
(a) Fehling
solution test
(c) Benedict solution test
(b) Sodium nitroprusside test
(d) Tollen test
47. Tollen
test is performed by __________ the solution
(a) cooling (c)
heating
(b) boiling (d)
shaking
48. Cracking
of polyethylene at high temperature gives its monomers which are used for the
manufacturing of
(a) toys
(c) furniture
(b) lubricant (d)
foam
49. Micropollutant
present in municipal solid waste an common _______ organic compound
(a) volatile
(c) non-volatile
(b) ppt
(d) hard
50. During
recycling fiber of newspaper become
(a) Longer (c) Shorter
(b) Remain same
(d) Burn out
51. Which
one is carcinogen class of compounds
(a) Diesel oil
(c) Lubricating oil
(b) Dioxins
(d) Both a, c
52. Oxides
of which elements cause acid rain
(a) Nitrogen (c)
Sulphur
(b) Chlorine (d)
Both a, b
53. By
process of incineration volume of waste
(a) Increases
(c) Decreases
(b) Remain same
(d) Much increase
54. In
Rotatory Kiln during of waste temperature range is
(a) 950-1300 Co
(c) 650-1100 Co
(b) 230 Co
(d) 900-1100 Co
55. Which
one is not property of petroleum product
(a) Poisonous
(c) Cause health problem
(b) Sweet in taste
(d) Both a, c
56. Oily
layer on surface of water _______ in dissolve oxygen
(a) Increase
(c) Decrease
(b) Both a, b
(d) Break oxygen
57. Which
element has high value of first ionization energy
(a) C
(c) N
(b) He
(d) Na
58. Which
one is eye irritant
(a) H2O2 (c) HNO3
(b) PAN (d)
HOCl
59. pH of
unpolluted rain water should be
(a) 7.1
(c) 5.6
(b) 6 (d) 6.5
60. A
single chloride free radical can destroy many ozone molecules
(a) 100 (c) 100000
(b) 10000 (d)
10
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