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Previous year question hub

Chemical Bonding And Molecular Structure - Inorganic Chemistry - Chemistry Previous Year Questions

Practice Chemical Bonding And Molecular Structure - Inorganic Chemistry - Chemistry previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

11Papers
6Years
35Questions
1Topics

Chemical Bonding And Molecular Structure question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Chemical Bonding And Molecular Structure. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Not classified 35 100%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

Multiple Choices 35 100%

Subject weightage

Top subjects by unique question coverage.

Chemistry
35 Qs

Most asked topics

Top topics across the included previous year papers.

Inorganic Chemistry
35 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Chemical Bonding And Molecular Structure
35 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

COMEDK 2025 AFTERNOON SHIFT
3 Qs
COMEDK 2025 Morning Shift
3 Qs
COMEDK 2025 EVENING SHIFT
2 Qs
COMEDK 2024 AFTERNOON SHIFT
3 Qs
COMEDK 2024 EVENING SHIFT
3 Qs
COMEDK 2024 MORNING SHIFT
3 Qs
COMEDK 2023 Morning Shift
4 Qs
COMEDK 2023 EVENING SHIFT
3 Qs
COMEDK 2022
4 Qs
COMEDK 2021
3 Qs
COMEDK 2020
4 Qs

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
COMEDK 2025 AFTERNOON SHIFT20253View paper
COMEDK 2025 EVENING SHIFT20252View paper
COMEDK 2025 Morning Shift20253View paper
COMEDK 2024 AFTERNOON SHIFT20243View paper
COMEDK 2024 EVENING SHIFT20243View paper
COMEDK 2024 MORNING SHIFT20243View paper
COMEDK 2023 EVENING SHIFT20233View paper
COMEDK 2023 Morning Shift20234View paper
COMEDK 202220224View paper
COMEDK 202120213View paper
COMEDK 202020204View paper

All Chemical Bonding And Molecular Structure previous year questions

Practice every matching question in batches of 20, with every available option.

1
2020 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure
COMEDK 2020

During the formation of a chemical bond

A
energy decreases
B
energy increases
C
energy of the system does not change
D
electron-electron repulsion becomes more than the nucleus-electron attraction
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2
2020 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure
COMEDK 2020

In acetylene molecule, between the carbon atoms there are

A
three \(\sigma\)-bonds
B
two \(\sigma\) and one \(\pi\)-bond
C
one \(\sigma\) and two \(\pi\)-bonds
D
three \(\pi\)-bonds
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3
2020 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure
COMEDK 2020

The number of antibonding electron pairs in O\(_2^{2-}\) molecular ion on the basis of molecular orbital theory is

[Atomic number of O is 18]

A
2
B
3
C
4
D
5
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4
2020 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure
COMEDK 2020

For a stable molecule the value of bond order must be

A
negative
B
positive
C
zero
D
there is no relationship between stability and bond order
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5
2021 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure
COMEDK 2021

Find the compound which have both polar and non-polar covalent bonds.

A
HCN
B
H\(_2\)O\(_2\)
C
NH\(_4\)Cl
D
CH\(_4\)
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6
2021 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure
COMEDK 2021

Which of the following pairs of ions in iso-electronic and iso-structural?

A
CO\(_3^{2-}\), NO\(_3^{-}\)
B
SO\(_3^{2-}\), NO\(_3^{-}\)
C
ClO\(_3^{-}\), CO\(_3^{2-}\)
D
SO\(_3^{2-}\), CO\(_3^{2-}\)
Open complete paper
7
2021 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure
COMEDK 2021

Find the correct order of C\(-\)O bond length among CO, CO\(_3^{2-}\), CO\(_2\).

A
CO\(_2\) < CO\(_3^{2-}\) < CO
B
CO < CO\(_3^{2-}\) < CO\(_2\)
C
CO\(_3^{2-}\) < CO\(_2\) < CO
D
CO < CO\(_2\) < CO\(_3^{2-}\)
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8
2022 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure
COMEDK 2022

Which of the following compound does not exists?

A
NCl\(_3\)
B
NCl\(_5\)
C
SbCl\(_3\)
D
NI\(_3\)
Open complete paper
9
2022 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure
COMEDK 2022

The P-O bond order in PO\(_4^{3-}\) is

A
1
B
1.5
C
1.45
D
1.25
Open complete paper
10
2022 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure
COMEDK 2022

Which of the following molecules does not exhibit dipole moment?

(i) CCl\(_4\) (ii) CO\(_2\) (iii) NH\(_3\) (iv) CHCl\(_3\) (v) H\(_2\)O (vi) CH\(_3\)\(-\)O\(-\)CH\(_3\)

A
(ii), (v), (iv)
B
(i), (iii), (vi)
C
(i), (ii)
D
(iii), (iv), (vi)
Open complete paper
11
2022 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure
COMEDK 2022

Increasing order of bond order of oxygen and its ions is

A
\({O_2} < O_2^ + < O_2^{2 - } < O_2^ -\)
B
\(O_2^ - < O_2^{2 - } < O_2^ + < {O_2}\)
C
\(O_2^ + < {O_2} < O_2^ - < O_2^{2 - }\)
D
\(O_2^{2 - } < O_2^ - < {O_2} < O_2^ +\)
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12
2023 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure
COMEDK 2023 EVENING SHIFT

Arrange the following in the decreasing order of their Dipole moments.

a. Chlorobenzene

b. 1,2-Dichlorobenzene

c. 1,3-Dichlorobenzene

d. 1,4-Dichlorobenzene.

A
\(\mathrm{d>c>b>a}\)
B
\(\mathrm{c>d>b>a}\)
C
\(\mathrm{a>b>d>c}\)
D
\(\mathrm{d>c>a>d}\)
Open complete paper
13
2023 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure
COMEDK 2023 EVENING SHIFT

Identify the correct statement describing the characteristics of \(\mathrm{C}_2\) molecule.

A
Bond order \(=2.0 ; \quad\) Paramagnetic in nature; One sigma and one pi bond formed.
B
Bond order \(=0 \quad \mathrm{C}_2\) molecule is non-existent.
C
Bond order \(=2.0 ; \quad\) Diamagnetic in nature; Both bonds formed are pi bonds.
D
Bond order \(=1.5 ; \quad\) Paramagnetic in nature; Both bonds formed are sigma bonds \((\sigma)\).
Open complete paper
14
2023 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure
COMEDK 2023 EVENING SHIFT

In the following question, Assertion (A) is given followed by a statement of Reason (R). Choose the correct answer.

Assertion (A): \(\pi\left(2 p_x\right), \pi\left(2 p_y\right), \pi^*\left(2 p_x\right), \pi^*\left(2 p_y\right)\) molecular orbitals have one nodal plane each.

Reason \((\mathrm{R})\) : All the molecular orbitals formed by the sideways overlapping have one nodal plane.

A
Both assertion and reason are true and reason is the correct explanation of the assertion.
B
Both assertion and reason are false
C
Assertion is true but reason is false
D
Both assertion and reason are true and reason is not the correct explanation of the assertion.
Open complete paper
15
2024 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure
COMEDK 2024 AFTERNOON SHIFT

In the following question a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below.

Assertion (A): A molecule of \(\mathrm{SF}_4\) is see-saw shaped, while that of \(\mathrm{CIF}_3\) is T-shaped.

Reason(R): SF\(_4\) has two lone pair of electrons. But CIF\(_3\) has one pair of electrons.

A
Assertion (A) is incorrect but Reason (R) is correct
B
Assertion (A) and Reason (R) are correct
C
Both Assertion (A) and Reason (R) are incorrect
D
Assertion (A) is correct but Reason (R) is incorrect
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16
2024 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure
COMEDK 2024 AFTERNOON SHIFT

$$\text { From the following pair of compounds, identify the incorrect pair in terms of the covalent character. }$$

A
\(\mathrm{CuS}>\mathrm{CuO}\)
B
\(\mathrm{BeCl}_2>\mathrm{MgCl}_2\)
C
\(\mathrm{SnCl}_4>\mathrm{SnCl}_2\)
D
\(A g C l>A g I\)
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17
2024 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure
COMEDK 2024 AFTERNOON SHIFT

The bond dissociation enthalpy of the species in their correct order is:

A
\(\mathrm{O}_2^{2-}>\mathrm{O}_2>\mathrm{O}_2^{+}>\mathrm{O}_2^{-}\)
B
\(\mathrm{O}_2>\mathrm{O}_2^{+}>\mathrm{O}_2^{-}>\mathrm{O}_2^{2-}\)
C
\(\mathrm{O}_2^{+}>\mathrm{O}_2>\mathrm{O}_2^{-}>\mathrm{O}_2^{2-}\)
D
\(\mathrm{O}_2^{+}>\mathrm{O}_2>\mathrm{O}_2^{2-}>\mathrm{O}_2^{-}\)
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18
2024 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure
COMEDK 2024 EVENING SHIFT

Identify the pair of molecules in which one of them is a molecule with an odd electron and the other has an expanded octet.

A
\(\mathrm{BeCl}_2\) & HNO\(_3\)
B
\(\mathrm{NO}\) & PF\(_5\)
C
\(\mathrm{BCl}_3\) & NO\(_2\)
D
\(\mathrm{SCl}_2\) & NH\(_3\)
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19
2024 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure
COMEDK 2024 EVENING SHIFT

Choose the incorrect statement from the following:

A. Isoelectronic molecules/ions have the same bond order.

B. Dipole moment of \(\mathrm{NH}_3\) is greater than that of \(\mathrm{NF}_3\).

C. The Carbon in Methyl Carbocation is \(\mathrm{sp}^3\) hybridised.

D. The stability of an ionic compound is measured in terms of its lattice enthalpy and not simply based on attaining Octet configuration.

A
C
B
A
C
D
D
B
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20
2024 · Chemistry · Inorganic Chemistry · Chemical Bonding And Molecular Structure
COMEDK 2024 EVENING SHIFT

Which of the following two molecular species are Diamagnetic in nature?

$$[\mathrm{A}]=\mathrm{O}_2^{-} \quad[\mathrm{B}] .=\mathrm{N}_2^{+} \quad[\mathrm{C}]=\mathrm{C}_2 \quad[\mathrm{D}]=\mathrm{O}_2{ }^{2-}$$

A
A & B
B
B & C
C
C & D
D
D & A
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Showing 20 of 35 questions