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Important Compounds of Xenon MCQ - Practice Questions with Answers
Edited By admin | Updated on Sep 25, 2023 25:24 PM | #NEET
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Important Compounds of Xenon is considered one the most difficult concept.
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28 Questions around this concept.
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EASYShape of $X e F_2$ is
Identify the incorrect statement, regarding the molecule $\mathrm{XeO}_4$:
Match the compounds given in column I with the hybridisation and shape given in column II and mark the correct otpion.
| Column-I | Column-II | ||
| 1. | $X e F_6$ | (i) | Distorted octahedral |
| 2. | $\mathrm{XeO}_3$ | (ii) | Square planar |
| 3. | $X e O F_4$ | (iii) | Pyramidal |
| 4. | $\mathrm{XeF}_4$ | (iv) | Square pyramidal |
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Which of the following is the most stable xenon compound?
$\mathrm{XeF}_6$ on complete hydrolysis gives:
$\mathrm{XeF}_2$ is isostructural with:
Concepts Covered - 0
Important Compounds of Xenon
Xenon-fluorine compounds
Xenon forms three binary fluorides, XeF2, XeF4 and XeF6 by the direct reaction of elements under appropriate experimental conditions.
XeF6 can also be prepared by the interaction of XeF4 and O2F2 at 143K.
XeF2, XeF4 and XeF6 are colourless crystalline solids and sublime readily at 298 K. They are powerful fluorinating agents. They are readily hydrolysed even by traces of water. For example, XeF2 is hydrolysed to give Xe, HF and O2.
The structures of the three xenon fluorides can be deduced from VSEPR. XeF2 and XeF4 have linear and square planar structures respectively. XeF6 has seven electron pairs (6 bonding pairs and one lone pair) and would, thus, have a distorted octahedral structure as found experimentally in the gas phase.
Xenon-oxygen compounds
Hydrolysis of XeF4 and XeF6 with water gives XeO3.
Partial hydrolysis of XeF6 gives oxyfluorides, XeOF4 and XeO2F2.
XeO3 is a colourless explosive solid and has a pyramidal molecular structure. XeOF4 is a colourless volatile liquid and has a square pyramidal molecular structure.
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