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Exam Details

2020 Paper - II Chemistry

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Questions 120
Duration 180 mins
Package Combined Medical Services Examination - Previous Year Papers

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Difficulty distribution

Easy 40 33.3%
Medium 40 33.3%
Hard 40 33.3%

Question type distribution

Multiple Choices 120 100%

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Sample questions from this paper

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1
2020 · Unclassified
2020 Paper - II Chemistry
Consider the following statements regarding radial and total angular function of H-atom: 1. The radial function R(r) depends on the quantum number n and l 2. The total angular function depends only on the direction and is independent of the distance from the nucleus (r) Which of the statements given above is/are correct?
A
1 only
B
2 only
C
Both 1 and 2
D
Neither 1 nor 2
2
2020 · Unclassified
2020 Paper - II Chemistry
Which one of the following is the correct electronic configuration of gold (ground state)?
A
[Xe] 6s2 4f14 5d9
B
[Xe] 6s1 4f14 5d10
C
[Xe] 6s2 4f13 5d10
D
[Xe] 6s2 4f14 5d10
3
2020 · Unclassified
2020 Paper - II Chemistry
Which one of the following is the correct order of increasing acidic nature of oxides?
A
SiO2 < Al2O3 < SO3 < Cl2O7
B
SiO2 < SO3
C
Al2O3
D
Cl2O7 < SiO2 < SO3 < Al2O3
4
2020 · Unclassified
2020 Paper - II Chemistry
Which one of the following is the correct outermost electronic configuration of representative elements?
A
(n-1)d1-10 ns0-2
B
ns1-2 to ns2np1-6
C
(n-2)f1-14 (n-1)d0-1 ns2
D
ns0
5
2020 · Unclassified
2020 Paper - II Chemistry
The name of the element given by IUPAC with atomic number 118 is:
A
Nihonium
B
Moscovium
C
Oganesson
D
Tennessine
6
2020 · Unclassified
2020 Paper - II Chemistry
Which one of the following statements regarding actinoid metals is NOT correct?
A
The actinoid metals are usually silvery in appearance
B
Ionization enthalpies of the early actinoids are higher than that of the early lanthanoids
C
The actinoids are highly reactive metals
D
The actinoid metals in general show +3 oxidation state