Which of the following are formed by Xenon

Which of the following are formed by Xenon
  1. $\mathrm{XeF}_{3}$
  2. $\mathrm{XeF}_{4}$
  3. $\mathrm{XeF}_{5}$
  4. None of these

Solution

$\mathrm{XeF}_{4}-$ This compound is formed by xenon.
Xe compounds can contain only even no. of fluorine atoms.
Xe has a complete filled 5 p configuration. As a result when it undergoes bonding with an odd number ( 3 or 5 ) of F atoms it leaves behind one unpaired electron. This causes the molecule to become unstable. *

Asked in: JEE-TOPICTESTS-CHEMISTRY

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