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Standard XI
Chemistry
Valence Shell Electron Pair Repulsion (VSEPR ) Theory
Question

Xenon having nearly the same ionisation energy as oxygen forms a larg number of compounds like xenon fluorine, oxyfluorides oxides and perxenates. Xenon exhibits various oxidation states from $$+2$$ to $$+8$$. Perxenates are powerful oxidants and $$XeO_3$$ is a powerful explosive.
The number of lone pairs of electrons in $$XeF_2, XeF_4, XeF_6$$ and $$XeOF_2$$ are respectively:

A
$$3,2,1,2$$
B
$$3,2,2,2$$
C
$$3,2,1,1$$
D
$$2,1,1,2$$
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Solution
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Correct option is A. $$3,2,1,2$$

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Similar Questions
Q1
Xenon having nearly the same ionisation energy as oxygen forms a larg number of compounds like xenon fluorine, oxyfluorides oxides and perxenates. Xenon exhibits various oxidation states from $$+2$$ to $$+8$$. Perxenates are powerful oxidants and $$XeO_3$$ is a powerful explosive.
The number of lone pairs of electrons in $$XeF_2, XeF_4, XeF_6$$ and $$XeOF_2$$ are respectively:
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Q2
Xenon having nearly the same ionisation energy as oxygen forms a larg number of compounds like xenon fluorine, oxyfluorides oxides and perxenates. Xenon exhibits various oxidation states from $$+2$$ to $$+8$$. Perxenates are powerful oxidants and $$XeO_3$$ is a powerful explosive.
The wrong statement is:
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Q3

The noble gases have closed-shell electronic configuration and are monoatomic gases used normal conditions. The low boiling points of the lighter noble gases are due to weak dispersion forces between the atoms and the absence of other interatomic interactions.

The direct reaction of xenon with fluorine leads to a series of compounds with oxidation number +2, +4 and +6. XeF4 reacts violently with water to give XeO3. The compounds of xenon exhibit rich stereochemistry and their geometries can be deduced considering the total number of electron pairs in the valence shell.

The structure of XeO3 is


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Q4
Oxidation number of xenon in XeOF2 is___________.
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Q5

Xenon forms three binary fluorides XeF2, XeF4 and XeF6. All the three fluorides are colourless crystalline solids sublimating at 295K. They are powerful fluorinating agents and they are readily hydrolysed by water.
The shape of XeO3 is:


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