JEE Main 2023 — Chemistry Inorganic Chemistry

2023integermedium

The number of species trom the following carrying a single lone pair on central atom Xenon is

${\mathrm{XeF}}_{5}^{+},{\mathrm{XeO}}_{3},{\mathrm{XeO}}_{2}{F}_{2},{\mathrm{XeF}}_{5}^{-},{\mathrm{XeO}}_{3}{F}_{2},{\mathrm{XeOF}}_{4},{\mathrm{XeF}}_{4}$

Official previous-year question

Held on 8 Apr 2023 · Verified 6 Jul 2026.

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Solution

JEE Main 2023 Chemistry, Chemical Bonding and Molecular Structure — solution figure 1

JEE Main 2023 Chemistry, Chemical Bonding and Molecular Structure — solution figure 2

JEE Main 2023 Chemistry, Chemical Bonding and Molecular Structure — solution figure 3

JEE Main 2023 Chemistry, Chemical Bonding and Molecular Structure — solution figure 4

The central $\mathrm{Xe}$ atom in ${\mathrm{XeO}}_{3}$ has three bonding domains and one lone pair of electrons. Hence, the electron geometry is tetrahedral and molecular geometry is pyramidal.

${\mathrm{XeO}}_{2}{F}_{2}$ is trigonal bipyramidal and the shape is a see-saw.

${\mathrm{XeOF}}_{4}$ is in square pyramidal shape.

So, ${\mathrm{XeF}}_{5}^{+},{\mathrm{XeO}}_{3},{\mathrm{XeO}}_{2}{F}_{2}$ and ${\mathrm{XeOF}}_{4}$ have single lone pair on central atom.

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JEE Main 2023 — Chemistry Inorganic Chemistry

2023integermedium

The number of species trom the following carrying a single lone pair on central atom Xenon is

${\mathrm{XeF}}_{5}^{+},{\mathrm{XeO}}_{3},{\mathrm{XeO}}_{2}{F}_{2},{\mathrm{XeF}}_{5}^{-},{\mathrm{XeO}}_{3}{F}_{2},{\mathrm{XeOF}}_{4},{\mathrm{XeF}}_{4}$

Official previous-year question

Held on 8 Apr 2023 · Verified 6 Jul 2026.

Did you get this right?

Solution

JEE Main 2023 Chemistry, Chemical Bonding and Molecular Structure — solution figure 1

JEE Main 2023 Chemistry, Chemical Bonding and Molecular Structure — solution figure 2

JEE Main 2023 Chemistry, Chemical Bonding and Molecular Structure — solution figure 3

JEE Main 2023 Chemistry, Chemical Bonding and Molecular Structure — solution figure 4

The central $\mathrm{Xe}$ atom in ${\mathrm{XeO}}_{3}$ has three bonding domains and one lone pair of electrons. Hence, the electron geometry is tetrahedral and molecular geometry is pyramidal.

${\mathrm{XeO}}_{2}{F}_{2}$ is trigonal bipyramidal and the shape is a see-saw.

${\mathrm{XeOF}}_{4}$ is in square pyramidal shape.

So, ${\mathrm{XeF}}_{5}^{+},{\mathrm{XeO}}_{3},{\mathrm{XeO}}_{2}{F}_{2}$ and ${\mathrm{XeOF}}_{4}$ have single lone pair on central atom.

JEE Main 2023 — Chemistry Inorganic Chemistry

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JEE Main 2023 — Chemistry Inorganic Chemistry

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Solution

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JEE Main Inorganic Chemistry in other years

More JEE Main Inorganic Chemistry questions

Other Chemistry topics for JEE Main

Physical Chemistry

Organic Chemistry

Keep practicing Inorganic Chemistry