SRMJEEE SERIES Chemistry
Chemical Bonding And Molecular Structure
11 previous year questions.
Volume: 11 Ques
Yield: Medium
High-Yield Trend
1
2023 4
2019 3
2018 3
2017 Chapter Questions 11 MCQs
01
PYQ 2017
medium
chemistry ID: srmjeee-
If a bond breaks in such a way that both electrons remain with one fragment, the mechanism is called
1
Heterolytic
2
Homolytic
3
Electrocyclic
4
Pericyclic
02
PYQ 2017
medium
chemistry ID: srmjeee-
Select the substance which has only one Pi (π) bond in its molecule.
1
Acetylene
2
Acrolein
3
Propene
4
2-Butenoic acid
03
PYQ 2017
medium
chemistry ID: srmjeee-
Which of the following species has the maximum bond order?
1
O2
2
O2-
3
O22-
4
O2+
04
PYQ 2018
medium
chemistry ID: srmjeee-
Arrange below molecules according to their increasing order of dipole moments
1
CCl4< CHCl3< CH2Cl2< CH3Cl
2
CHCl3< CCl4< CH2Cl2< CH3Cl
3
CCl4< CH3Cl < CH2Cl2< CHCl3
4
CH2Cl2 < CCl4< CHCl3< CH3Cl
05
PYQ 2018
medium
chemistry ID: srmjeee-
The outer orbitals of C in C2H4 molecule can be considered to be hybridized to give 3 equivalent sp2 orbitals. The total number of σ and π bonds in C2H4 molecule is
1
1, 2
2
3, 2
3
4, 1
4
5, 1
06
PYQ 2018
medium
chemistry ID: srmjeee-
The least random state of H2O is
1
Ice
2
Liquid water
3
Steam
4
Randomness is same in all
07
PYQ 2019
medium
chemistry ID: srmjeee-
In the Williamsons synthesis for preparation of 
the compounds used are
the compounds used are 1
2
CH3 - CH2 I + C2H5ONa
3
4
08
PYQ 2019
medium
chemistry ID: srmjeee-
The hybridization of sulphur in sulphur dioxide is:
1
sp
2
3
4
09
PYQ 2019
medium
chemistry ID: srmjeee-
The correct sequence which shows decreasing order of the ionic radii of the elements is
1
2
3
4
10
PYQ 2019
medium
chemistry ID: srmjeee-
The hybridization of NH3 and NO2-
1
sp3 and dsp2
2
sp and sp3
3
sp3 and sp2
4
spd2 and sp2
11
PYQ 2023
easy
chemistry ID: srmjeee-
Which of the following is paramagnetic?
1
[CoBɣ]2-
2
Mo(Co)6
3
[Pt(en)Cl2]
4
[Co(NH3)6]3+