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Chemical Bonding and Molecular Structure

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2019
Among the following species, the diamagnetic molecule is
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Q JEE MAIN 2020
The dipole moments of $\mathrm{CCl}_4, \mathrm{CHCl}_3$ and $\mathrm{CH}_4$ are in the order :
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Q JEE MAIN 2020
The relative strength of interionic/ intermolecular forces in decreasing order is :
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Q JEE MAIN 2021
$$ \text { According to molecular orbital theory, the number of unpaired electron(s) in } \mathrm{O}_2^{2-} \text { is : } $$
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Q JEE MAIN 2021
The Born-Haber cycle for KCl is evaluated with the following data:
$...
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Q JEE MAIN 2021
These are physical properties of an element
(A) Sublimation enthalpy (B) Ionisation enthalpy
(C) Hydration enthalpy (D) Electron gain enthalpy
The total number of...
JEE Main Chemistry Hard
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Q JEE MAIN 2021
$\mathrm{AB}_3$ is an interhalogen T-shaped molecule. The number of lone pairs of electrons on A is $\_\_\_\_$ (Integer answer)
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Q JEE MAIN 2021
The number of S=O bonds present in sulphurous acid, peroxodisulphuric acid and pyrosulphuric acid, respectively are :
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Q JEE MAIN_2021
The total number of electrons in all bonding molecular orbitals of $\mathrm{O}_2^{2-}$ is $\_\_\_\_$ (Round off to the nearest integer)
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Q JEE MAIN 2021
In polythionic acid, $\mathrm{H}_2 \mathrm{~S}_{\mathrm{x}} \mathrm{O}_6(\mathrm{x}=3$ to 5$)$ the oxidation state(s) of sulphur is/are :
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