Chemical Bonding and Molecular Structure PYQs - Last 5 Years
COMEDK / Chemistry / Inorganic Chemistry / 33 recent questions
ChemistryInorganic Chemistry2022-2026
Practice 33 COMEDK Chemistry questions from Chemical Bonding and Molecular Structure. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
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2022-2026
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Last 5 Years Chemical Bonding and Molecular Structure Questions
Showing 33 of 33 filtered questions.
1Chemical Bonding And Molecular Structure
The hybridisation of atomic orbitals of nitrogen in $\mathrm{NO}_2{ }^{+}, \mathrm{NO}_3{ }^{-}$and $\mathrm{NH}_4{ }^{+}$are respectively
MCQ+1 / -02026
2Chemical Bonding And Molecular Structure
The highest dipole moment is for:
MCQ+1 / -02026
3Chemical Bonding And Molecular Structure
Which of the following options represent the correct bond order?
MCQ+1 / -02026
4Chemical Bonding And Molecular Structure
According to Molecular orbital theory, which of the following is correct with respect to bond order?
MCQ+1 / -02026
5Chemical Bonding And Molecular Structure
The number of bond pairs and lone pairs of electrons in the molecule $I F_5$ is:
MCQ+1 / -02026
6Chemical Bonding And Molecular Structure
Identify the correct statement.
MCQ+1 / -02025
7Chemical Bonding And Molecular Structure
From the given covalent compounds (A to F) identify the pair of molecules which have:
(i) Two lone pairs of electrons on the central atom.
(ii) One lone pair of electrons on the central atom.
A. $\mathrm{SO}_2$
B. $\mathrm{ClF}_3$
C. $\ma...
(i) Two lone pairs of electrons on the central atom.
(ii) One lone pair of electrons on the central atom.
A. $\mathrm{SO}_2$
B. $\mathrm{ClF}_3$
C. $\ma...
MCQ+1 / -02025
8Chemical Bonding And Molecular Structure
In which one of the following pairs does the stability of the monovalent ion increase with respect to the molecule, while the magnetic character remains the same for both?
MCQ+1 / -02025
9Chemical Bonding And Molecular Structure
Arrange the following in the increasing order of their covalent character.
$\mathrm{CaF}_2 ; \mathrm{CaCl}_2 ; \mathrm{CaBr}_2 ; \mathrm{CaI}_2$
$\mathrm{CaF}_2 ; \mathrm{CaCl}_2 ; \mathrm{CaBr}_2 ; \mathrm{CaI}_2$
MCQ+1 / -02025
10Chemical Bonding And Molecular Structure
The bond angles in the following molecules decreases in the order. $\mathrm{BF}_3, \mathrm{NH}_3, \mathrm{PF}_3$ and $\mathrm{XeF}_2$
MCQ+1 / -02025
11Chemical Bonding And Molecular Structure
Which one of the following molecules attains greater stability on formation of its diatomic monovalent anion?
MCQ+1 / -02025
12Chemical Bonding And Molecular Structure
From among the 4 given compounds identify the compounds which possess a net dipole moment.
A. cis-1,2-Dichloroethene
B. Tetrachloromethane
C. o-Dichlorobenzene
D. trans 2,3-Dibromobut-2-ene
A. cis-1,2-Dichloroethene
B. Tetrachloromethane
C. o-Dichlorobenzene
D. trans 2,3-Dibromobut-2-ene
MCQ+1 / -02025
13Chemical Bonding And Molecular Structure
Given are 4 pairs of covalent molecules. Identify the pair in which both molecules have the same shape.
MCQ+1 / -02025
14Chemical Bonding And Molecular Structure
On the basis of VSEPR theory, match the molecules listed in Column I with their shapes given in Column II.
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MCQ+1 / -02024
15Chemical Bonding And Molecular Structure
Identify the pair of molecules, both of which have positive values of Dipole moment.
MCQ+1 / -02024
16Chemical Bonding And Molecular Structure
Given below are 4 molecular species/ions. Identify the species/ion which exhibits diamagnetic nature.
\([\mathrm{A}]=\mathrm{N}_2^{+} \quad[\mathrm{B}]=\mathrm{O}_2^{-} \quad[\mathrm{C}]=\mathrm{B}_2 \quad[\mathrm{D}]=\mathrm{C}_2\)
\([\mathrm{A}]=\mathrm{N}_2^{+} \quad[\mathrm{B}]=\mathrm{O}_2^{-} \quad[\mathrm{C}]=\mathrm{B}_2 \quad[\mathrm{D}]=\mathrm{C}_2\)
MCQ+1 / -02024
17Chemical Bonding And Molecular Structure
Identify the pair of molecules in which one of them is a molecule with an odd electron and the other has an expanded octet.
MCQ+1 / -02024
18Chemical Bonding And Molecular Structure
Which of the following two molecular species are Diamagnetic in nature?
\([\mathrm{A}]=\mathrm{O}_2^{-} \quad[\mathrm{B}] .=\mathrm{N}_2^{+} \quad[\mathrm{C}]=\mathrm{C}_2 \quad[\mathrm{D}]=\mathrm{O}_2{ }^{2-}\)
\([\mathrm{A}]=\mathrm{O}_2^{-} \quad[\mathrm{B}] .=\mathrm{N}_2^{+} \quad[\mathrm{C}]=\mathrm{C}_2 \quad[\mathrm{D}]=\mathrm{O}_2{ }^{2-}\)
MCQ+1 / -02024
19Chemical Bonding And Molecular Structure
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{s...
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{s...
MCQ+1 / -02024
20Chemical Bonding And Molecular Structure
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...
Assertion (A): A molecule of \(\mathrm{SF}_4\) is see-saw shaped, while that of...
MCQ+1 / -02024
21Chemical Bonding And Molecular Structure
\(\text { From the following pair of compounds, identify the incorrect pair in terms of the covalent character. }\)
MCQ+1 / -02024
22Chemical Bonding And Molecular Structure
The bond dissociation enthalpy of the species in their correct order is:
MCQ+1 / -02024
23Chemical Bonding And Molecular Structure
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 ...
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 ...
MCQ+1 / -02023
24Chemical Bonding And Molecular Structure
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. Chlorobenzene
b. 1,2-Dichlorobenzene
c. 1,3-Dichlorobenzene
d. 1,4-Dichlorobenzene.
MCQ+1 / -02023
25Chemical Bonding And Molecular Structure
Identify the correct statement describing the characteristics of \(\mathrm{C}_2\) molecule.
MCQ+1 / -02023
26Chemical Bonding And Molecular Structure
Which of these molecules have non-bonding electron pairs on the cental atom?
\(\mathrm{I}: \mathrm{SF}_4 : \mathrm{II}: \mathrm{ICl}_3 : \mathrm{III}: \mathrm{SO}_2\)
\(\mathrm{I}: \mathrm{SF}_4 : \mathrm{II}: \mathrm{ICl}_3 : \mathrm{III}: \mathrm{SO}_2\)
MCQ+1 / -02023
27Chemical Bonding And Molecular Structure
Total number of \(\sigma\) and \(\pi\) bonds in ethene molecule is
MCQ+1 / -02023
28Chemical Bonding And Molecular Structure
Pick up the correct statement.
MCQ+1 / -02023
29Chemical Bonding And Molecular Structure
Which of these represents the correct order of decreasing bond order?
MCQ+1 / -02023
30Chemical Bonding And Molecular Structure
Which of the following compound does not exists?
MCQ+1 / -02022
31Chemical Bonding And Molecular Structure
The P-O bond order in PO\(_4^{3-}\) is
MCQ+1 / -02022
32Chemical Bonding And Molecular Structure
Increasing order of bond order of oxygen and its ions is
MCQ+1 / -02022
33Chemical Bonding And Molecular Structure
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\(_3\)
(i) CCl\(_4\) (ii) CO\(_2\) (iii) NH\(_3\) (iv) CHCl\(_3\) (v) H\(_2\)O (vi) CH\(_3\)\(-\)O\(-\)CH\(_3\)
MCQ+1 / -02022