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Exam Details

CHEMICAL SCIENCE PART B (JUNE 2018) 2018

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Questions 40
Duration 180 mins
Package CSIR NET & SET - Previous Year Papers

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Showing all 40 questions in this paper.

Subject distribution

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Topic distribution

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Subtopic distribution

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Difficulty distribution

Medium 31 77.5%
Easy 5 12.5%
Hard 4 10%

Question type distribution

Multiple Choices 40 100%

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Sample questions from this paper

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1
2018 · Unclassified
CHEMICAL SCIENCE PART B (JUNE 2018) 2018
Dinuclear anion [I2(OH)2O8]4- has two bridging oxo groups. The geometry around each iodine is
A
octahedral
B
square pyamidal
C
pentagonal bipyramidal
D
monocapped octahedral
2
2018 · Unclassified
CHEMICAL SCIENCE PART B (JUNE 2018) 2018
Using a double beam UV-visible spectrophotometer, Beer's law fails for k2Cr2O7 solution when.
A
intensity of light source is changed
B
detector is not a photomultiplier tube
C
cuvette of 2 cm size is used
D
pH is not kept same in all measurements
3
2018 · Unclassified
CHEMICAL SCIENCE PART B (JUNE 2018) 2018
Trivalent lanthanide ion having isotropic magnetic susceptibility is
A
Eu3+
B
Gd3+
C
Lu3+
D
Yb3+
4
2018 · Unclassified
CHEMICAL SCIENCE PART B (JUNE 2018) 2018
The structure of CaB6 is close to that of
A
cesium chloride
B
rock salt
C
zinc blende
D
nickel arsenide
5
2018 · Unclassified
CHEMICAL SCIENCE PART B (JUNE 2018) 2018
The correct order of C-O bond length is
A
H3B .CO>[Mn(CO)6]+>[Cr(CO)6]>[V(CO)6]-
B
[V(CO)6]->[Cr(CO)6]>|Mn(CO)6]+> H3B .CO
C
[Cr(CO)6]>[V(CO)6]->H3B .CO>. [Mn(CO)6]+
D
[Mn(CO)6]+>H3B.CO>[V(CO)6]->[Cr(CO)6]
6
2018 · Unclassified
CHEMICAL SCIENCE PART B (JUNE 2018) 2018
Among the elements Zn, Ga, Ge and As, the one with the lowest first ionization energy is
A
As
B
Zn
C
Ga
D
Ge