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NAT I Medical Chemistry MCQs With Answers
Question # 1
Which of the following has greatest tendency to lose electron?
Choose an answer
F
Fr
S
Be
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Question # 2
Which of the following has linear shape?
Choose an answer
SP
SP
2
SP
3
None of the above
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Question # 3
One mole of a gas refers to
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The number of molecules in one litre of gas
The number of molecules in one gram of gas
The number of molecules contained in 12 grams of
12
C isotope
The number of molecules in 22.4 liters of a gas at S.T.P.
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Question # 4
When pressure is applied to the equilibrium system Ice Water Which of the following phenomenon will happen?
Choose an answer
More ice will be formed
Water will evaporate
More water will be formed
Equilibrium will not be formed
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Question # 5
The molal elevation constant is the ratio of the elevation in boiling point to
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Molarity
Molality
Mole fraction of solute
Mole fraction of solvent
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Question # 6
Which of the following fluorides does not exist?
Choose an answer
NF
5
PF
5
AsF
5
SbF
5
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Question # 7
Benzene is obtained by fractional distillation of
Choose an answer
Heavy oil
Anthracene oil
Middle oil
Light oil
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Question # 8
In a crystal a ≠ b ≠ c, a = γ = 90° and β ≠ 90°, it is
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Monoclinic
Rhombic
Trigonal
Tetragonal
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Question # 9
Which of the following reagent cannot be used for preparing alkyl chloride from alcohol?
Choose an answer
HCI + anhyd. ZnCI
2
NaCI
PCI
5
SOCI
2
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