Chemical Bonding & Molecular Structure PYQs - Last 10 Years
JEE Main / Chemistry / Inorganic Chemistry / 229 recent questions
ChemistryInorganic Chemistry2017-2026
Practice 229 JEE Main Chemistry questions from Chemical Bonding & Molecular Structure. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
229
PYQs on Page
Chemistry / Inorganic Chemistry
2017-2026
Year Range
Based on indexed question metadata
153
Last 5 Years
2022-2026
229
Last 10 Years
2017-2026
Recent Year Trend
2021
2022
2023
2024
2025
2026Latest year
202149 max PYQs/year2026
Question Types
229PYQs
MCQ72.5%
INTEGER27.5%
Difficulty Mix
#1 Medium121
#2 Easy108
153 in last 5 years229 in last 10 years
Last 10 Years Chemical Bonding & Molecular Structure Questions
Showing 50 of 229 filtered questions.
1Chemical Bonding And Molecular Structure
The shape of carbocation is :
MCQ+4 / -12024
2Chemical Bonding And Molecular Structure
When \(\psi_{\mathrm{A}}\) and \(\psi_{\mathrm{B}}\) are the wave functions of atomic orbitals, then \(\sigma^*\) is represented by :
MCQ+4 / -12024
3Chemical Bonding And Molecular Structure
Number of molecules from the following which can exhibit hydrogen bonding is
_________. (nearest integer)
_________. (nearest integer)
INTEGER+4 / -12024
4Chemical Bonding And Molecular Structure
Match List I with List II
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-break:normal;}
...
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-break:normal;}
...
MCQ+4 / -12024
5Chemical Bonding And Molecular Structure
Match List I with List II
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-break:normal;}
...
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-break:normal;}
...
MCQ+4 / -12024
6Chemical Bonding And Molecular Structure
Consider the following reactions
The number of protons that do not involve in hydrogen bonding in the product B is _________.
The number of protons that do not involve in hydrogen bonding in the product B is _________.
INTEGER+4 / -12024
7Chemical Bonding And Molecular Structure
Total number of species from the following with central atom utilising \(\mathrm{sp}^2\) hybrid orbitals for bonding is ________. $$\mathrm{NH}_3, \mathrm{SO}_2, \mathrm{SiO}_2, \mathrm{BeCl}_2, \mathrm{C}_2 \mathrm{H}_2, \mathrm{C}_2 \math...
INTEGER+4 / -12024
8Chemical Bonding And Molecular Structure
Number of \(\sigma\) and \(\pi\) bonds present in ethylene molecule is respectively :
MCQ+4 / -12024
9Chemical Bonding And Molecular Structure
In the lewis dot structure for \(\mathrm{NO}_2^{-}\), total number of valence electrons around nitrogen is _________.
INTEGER+4 / -12024
10Chemical Bonding And Molecular Structure
Number of compounds from the following with zero dipole moment is _________.
$$\mathrm{HF}, \mathrm{H}_2, \mathrm{H}_2 \mathrm{~S}, \mathrm{CO}_2, \mathrm{NH}_3, \mathrm{BF}_3, \mathrm{CH}_4, \mathrm{CHCl}_3, \mathrm{SiF}_4, \mathrm{H}_2 \m...
$$\mathrm{HF}, \mathrm{H}_2, \mathrm{H}_2 \mathrm{~S}, \mathrm{CO}_2, \mathrm{NH}_3, \mathrm{BF}_3, \mathrm{CH}_4, \mathrm{CHCl}_3, \mathrm{SiF}_4, \mathrm{H}_2 \m...
INTEGER+4 / -12024
11Chemical Bonding And Molecular Structure
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : \(\mathrm{NH}_3\) and \(\mathrm{NF}_3\) molecule have pyramidal shape with a lone pair of electrons on nitrogen atom....
Assertion (A) : \(\mathrm{NH}_3\) and \(\mathrm{NF}_3\) molecule have pyramidal shape with a lone pair of electrons on nitrogen atom....
MCQ+4 / -12024
12Chemical Bonding And Molecular Structure
Match List I with List II.
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-break:normal;}...
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-break:normal;}...
MCQ+4 / -12024
13Chemical Bonding And Molecular Structure
Number of molecules/species from the following having one unpaired electron is ________.
\(\mathrm{O}_2, \mathrm{O}_2^{-1}, \mathrm{NO}, \mathrm{CN}^{-1}, \mathrm{O}_2^{2-}\)
\(\mathrm{O}_2, \mathrm{O}_2^{-1}, \mathrm{NO}, \mathrm{CN}^{-1}, \mathrm{O}_2^{2-}\)
INTEGER+4 / -12024
14Chemical Bonding And Molecular Structure
Which one of the following molecules has maximum dipole moment?
MCQ+4 / -12024
15Chemical Bonding And Molecular Structure
Number of molecules/ions from the following in which the central atom is involved in \(\mathrm{sp}^3\) hybridization is ________.
\(\mathrm{NO}_3^{-}, \mathrm{BCl}_3, \mathrm{ClO}_2^{-}, \mathrm{ClO}_3^{-}\)
\(\mathrm{NO}_3^{-}, \mathrm{BCl}_3, \mathrm{ClO}_2^{-}, \mathrm{ClO}_3^{-}\)
MCQ+4 / -12024
16Chemical Bonding And Molecular Structure
The number of species from the following that have pyramidal geometry around the central atom is _________
\(\mathrm{S}_2 \mathrm{O}_3^{2-}, \mathrm{SO}_4^{2-}, \mathrm{SO}_3^{2-}, \mathrm{S}_2 \mathrm{O}_7^{2-}\)
\(\mathrm{S}_2 \mathrm{O}_3^{2-}, \mathrm{SO}_4^{2-}, \mathrm{SO}_3^{2-}, \mathrm{S}_2 \mathrm{O}_7^{2-}\)
MCQ+4 / -12024
17Chemical Bonding And Molecular Structure
Number of compounds / species from the following with non-zero dipole moment is _________.
$$\mathrm{BeCl}_2, \mathrm{BCl}_3, \mathrm{NF}_3, \mathrm{XeF}_4, \mathrm{CCl}_4, \mathrm{H}_2 \mathrm{O}, \mathrm{H}_2 \mathrm{~S}, \mathrm{HBr}, \m...
$$\mathrm{BeCl}_2, \mathrm{BCl}_3, \mathrm{NF}_3, \mathrm{XeF}_4, \mathrm{CCl}_4, \mathrm{H}_2 \mathrm{O}, \mathrm{H}_2 \mathrm{~S}, \mathrm{HBr}, \m...
INTEGER+4 / -12024
18Chemical Bonding And Molecular Structure
The correct statement/s about Hydrogen bonding is/are
A. Hydrogen bonding exists when H is covalently bonded to the highly electro negative atom.
B. Intermolecular H bonding is present in \(o\)-nitro phenol
C. Intramolecular \(\mathrm{H}\) ...
A. Hydrogen bonding exists when H is covalently bonded to the highly electro negative atom.
B. Intermolecular H bonding is present in \(o\)-nitro phenol
C. Intramolecular \(\mathrm{H}\) ...
MCQ+4 / -12024
19Chemical Bonding And Molecular Structure
The number of species from the following in which the central atom uses \(\mathrm{sp}^3\) hybrid orbitals in its bonding is __________.
$$\mathrm{NH}_3, \mathrm{SO}_2, \mathrm{SiO}_2, \mathrm{BeCl}_2, \mathrm{CO}_2, \mathrm{H}_2 \mathrm{O},...
$$\mathrm{NH}_3, \mathrm{SO}_2, \mathrm{SiO}_2, \mathrm{BeCl}_2, \mathrm{CO}_2, \mathrm{H}_2 \mathrm{O},...
INTEGER+4 / -12024
20Chemical Bonding And Molecular Structure
The linear combination of atomic orbitals to form molecular orbitals takes place only when the combining atomic orbitals
A. have the same energy
B. have the minimum overlap
C. have same symmetry about the molecular axis
D. have different sy...
A. have the same energy
B. have the minimum overlap
C. have same symmetry about the molecular axis
D. have different sy...
MCQ+4 / -12024
21Chemical Bonding And Molecular Structure
A diatomic molecule has a dipole moment of \(1.2 \mathrm{~D}\). If the bond distance is \(1 \mathrm{~A}^{\circ}\), then fractional charge on each atom is _________ \(\times 10^{-1}\) esu.
(Given \(1 \mathrm{~D}=10^{-18}\) esucm)
(Given \(1 \mathrm{~D}=10^{-18}\) esucm)
INTEGER+4 / -12024
22Chemical Bonding And Molecular Structure
Which of the following is least ionic?
MCQ+4 / -12024
23Chemical Bonding And Molecular Structure
The total number of molecular orbitals formed from \(2 \mathrm{s}\) and \(2 \mathrm{p}\) atomic orbitals of a diatomic molecule is __________.
INTEGER+4 / -12024
24Chemical Bonding And Molecular Structure
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : There is a considerable increase in covalent radius from \(\mathrm{N}\) to \(\mathrm{P}\). However from As to Bi only...
Assertion (A) : There is a considerable increase in covalent radius from \(\mathrm{N}\) to \(\mathrm{P}\). However from As to Bi only...
MCQ+4 / -12024
25Chemical Bonding And Molecular Structure
Match List I with List II.
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-break:normal;}...
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-break:normal;}...
MCQ+4 / -12024
26Chemical Bonding And Molecular Structure
Aluminium chloride in acidified aqueous solution forms an ion having geometry
MCQ+4 / -12024
27Chemical Bonding And Molecular Structure
The molecule / ion with square pyramidal shape is
MCQ+4 / -12024
28Chemical Bonding And Molecular Structure
Given below are two statements:
Statement - I: Since Fluorine is more electronegative than nitrogen, the net dipole moment of \(\mathrm{NF}_3\) is greater than \(\mathrm{NH}_3\).
Statement - II: In \(\mathrm{NH}_3\), the orbital dipole due ...
Statement - I: Since Fluorine is more electronegative than nitrogen, the net dipole moment of \(\mathrm{NF}_3\) is greater than \(\mathrm{NH}_3\).
Statement - II: In \(\mathrm{NH}_3\), the orbital dipole due ...
MCQ+4 / -12024
29Chemical Bonding And Molecular Structure
Number of compounds with one lone pair of electrons on central atom amongst following is _________.
\(\mathrm{O}_3, \mathrm{H}_2 \mathrm{O}, \mathrm{SF}_4, \mathrm{ClF}_3, \mathrm{NH}_3, \mathrm{BrF}_5, \mathrm{XeF}_4\)
\(\mathrm{O}_3, \mathrm{H}_2 \mathrm{O}, \mathrm{SF}_4, \mathrm{ClF}_3, \mathrm{NH}_3, \mathrm{BrF}_5, \mathrm{XeF}_4\)
INTEGER+4 / -12024
30Chemical Bonding And Molecular Structure
The number of species from the following which are paramagnetic and with bond order equal to one is _________.
$$\mathrm{H}_2, \mathrm{He}_2^{+}, \mathrm{O}_2^{+}, \mathrm{N}_2^{2-}, \mathrm{O}_2^{2-}, \mathrm{F}_2, \mathrm{Ne}_2^{+}, \math...
$$\mathrm{H}_2, \mathrm{He}_2^{+}, \mathrm{O}_2^{+}, \mathrm{N}_2^{2-}, \mathrm{O}_2^{2-}, \mathrm{F}_2, \mathrm{Ne}_2^{+}, \math...
INTEGER+4 / -12024
31Chemical Bonding And Molecular Structure
The difference in energy between the actual structure and the lowest energy resonance structure for the given compound is
MCQ+4 / -12024
32Chemical Bonding And Molecular Structure
The total number of anti bonding molecular orbitals, formed from \(2 s\) and \(2 p\) atomic orbitals in a diatomic molecule is _______.
INTEGER+4 / -12024
33Chemical Bonding And Molecular Structure
The total number of molecules with zero dipole moment among \(\mathrm{CH}_4, \mathrm{BF}_3, \mathrm{H}_2 \mathrm{O}, \mathrm{HF}, \mathrm{NH}_3, \mathrm{CO}_2\) and \(\mathrm{SO}_2\) is ________.
INTEGER+4 / -12024
34Chemical Bonding And Molecular Structure
Sum of bond order of CO and NO\(^+\) is ________.
INTEGER+4 / -12024
35Chemical Bonding And Molecular Structure
Choose the polar molecule from the following:
MCQ+4 / -12024
36Chemical Bonding And Molecular Structure
The number of non-polar molecules from the following is _________. \(\mathrm{HF}, \mathrm{H}_2 \mathrm{O}, \mathrm{SO}_2, \mathrm{H}_2, \mathrm{CO}_2, \mathrm{CH}_4, \mathrm{NH}_3, \mathrm{HCl}, \mathrm{CHCl}_3, \mathrm{BF}_3\)
INTEGER+4 / -12024
37Chemical Bonding And Molecular Structure
The lowest oxidation number of an atom in a compound $\mathrm{A}_2 \mathrm{B}$ is -2 . The number of electrons in its valence shell is _______.
INTEGER+4 / -12024
38Chemical Bonding And Molecular Structure
The number of molecules/ion/s having trigonal bipyramidal shape is _______.
$\mathrm{PF}_5, \mathrm{BrF}_5, \mathrm{PCl}_5,\left[\mathrm{Pt} \mathrm{Cl}_4\right]^{2-}, \mathrm{BF}_3, \mathrm{Fe}(\mathrm{CO})_5$
$\mathrm{PF}_5, \mathrm{BrF}_5, \mathrm{PCl}_5,\left[\mathrm{Pt} \mathrm{Cl}_4\right]^{2-}, \mathrm{BF}_3, \mathrm{Fe}(\mathrm{CO})_5$
INTEGER+4 / -12024
39Chemical Bonding And Molecular Structure
Arrange the bonds in order of increasing ionic character in the molecules. $\mathrm{LiF}$, $\mathrm{K}_2 \mathrm{O}, \mathrm{N}_2, \mathrm{SO}_2$ and $\mathrm{ClF}_3$ :
MCQ+4 / -12024
40Chemical Bonding And Molecular Structure
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): $\mathrm{PH}_3$ has lower boiling point than $\mathrm{NH}_3$.
Reason (R) : In liquid state $\mathrm{NH}_3$ molecules ar...
Assertion (A): $\mathrm{PH}_3$ has lower boiling point than $\mathrm{NH}_3$.
Reason (R) : In liquid state $\mathrm{NH}_3$ molecules ar...
MCQ+4 / -12024
41Chemical Bonding And Molecular Structure
Select the compound from the following that will show intramolecular hydrogen bonding.
MCQ+4 / -12024
42Chemical Bonding And Molecular Structure
Given below are two statements :
Statement (I) : A $\pi$ bonding MO has lower electron density above and below the inter-nuclear axis.
Statement (II) : The $\pi^*$ antibonding MO has a node between the nuclei.
In the light of the above sta...
Statement (I) : A $\pi$ bonding MO has lower electron density above and below the inter-nuclear axis.
Statement (II) : The $\pi^*$ antibonding MO has a node between the nuclei.
In the light of the above sta...
MCQ+4 / -12024
43Chemical Bonding And Molecular Structure
The number of following factors which affect the percent covalent character of the ionic bond is _________
(A) Polarising power of cation
(B) Extent of distortion of anion
(C) Polarisability of the anion
(D) Polarising power of anion
(A) Polarising power of cation
(B) Extent of distortion of anion
(C) Polarisability of the anion
(D) Polarising power of anion
INTEGER+4 / -12023
44Chemical Bonding And Molecular Structure
The number of species from the following carrying a single lone pair on central atom Xenon is ___________.
$$\mathrm{XeF}_{5}^{+}, \mathrm{XeO}_{3}, \mathrm{XeO}_{2} \mathrm{~F}_{2}, \mathrm{XeF}_{5}^{-}, \mathrm{XeO}_{3} \mathrm{~F}_{2}, \...
$$\mathrm{XeF}_{5}^{+}, \mathrm{XeO}_{3}, \mathrm{XeO}_{2} \mathrm{~F}_{2}, \mathrm{XeF}_{5}^{-}, \mathrm{XeO}_{3} \mathrm{~F}_{2}, \...
INTEGER+4 / -12023
45Chemical Bonding And Molecular Structure
The number of species from the following which have square pyramidal structure is _________
\(\mathrm{PF}_{5}, \mathrm{BrF}_{4}^{-}, \mathrm{IF}_{5}, \mathrm{BrF}_{5}, \mathrm{XeOF}_{4}, \mathrm{ICl}_{4}^{-}\)
\(\mathrm{PF}_{5}, \mathrm{BrF}_{4}^{-}, \mathrm{IF}_{5}, \mathrm{BrF}_{5}, \mathrm{XeOF}_{4}, \mathrm{ICl}_{4}^{-}\)
INTEGER+4 / -12023
46Chemical Bonding And Molecular Structure
Match List I with List II
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-break:normal;}
...
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-break:normal;}
...
MCQ+4 / -12023
47Chemical Bonding And Molecular Structure
In an ice crystal, each water molecule is hydrogen bonded to ____________ neighbouring molecules.
INTEGER+4 / -12023
48Chemical Bonding And Molecular Structure
The number of species having a square planar shape from the following is __________.
$$\mathrm{XeF}_{4}, \mathrm{SF}_{4}, \mathrm{SiF}_{4}, \mathrm{BF}_{4}^{-}, \mathrm{BrF}_{4}^{-},\left[\mathrm{Cu}\left(\mathrm{NH}_{3}\right)_{4}\right]^{...
$$\mathrm{XeF}_{4}, \mathrm{SF}_{4}, \mathrm{SiF}_{4}, \mathrm{BF}_{4}^{-}, \mathrm{BrF}_{4}^{-},\left[\mathrm{Cu}\left(\mathrm{NH}_{3}\right)_{4}\right]^{...
INTEGER+4 / -12023
49Chemical Bonding And Molecular Structure
Match List I with List II
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-break:normal;}
...
.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-break:normal;}
...
MCQ+4 / -12023
50Chemical Bonding And Molecular Structure
Amongst the following, the number of species having the linear shape is _________.
$\mathrm{XeF}_{2}, \mathrm{I}_{3}^{+}, \mathrm{C}_{3} \mathrm{O}_{2}, \mathrm{I}_{3}^{-}, \mathrm{CO}_{2}, \mathrm{SO}_{2}, \mathrm{BeCl}_{2}$ and $\mathrm{...
$\mathrm{XeF}_{2}, \mathrm{I}_{3}^{+}, \mathrm{C}_{3} \mathrm{O}_{2}, \mathrm{I}_{3}^{-}, \mathrm{CO}_{2}, \mathrm{SO}_{2}, \mathrm{BeCl}_{2}$ and $\mathrm{...
INTEGER+4 / -12023