Multiple choice

Which of the following has maximum number of lone pairs associated with Xe? 

  1. Xef2

  2. Xeo3

  3. Xef4

  4. Xef6
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A Correct answer
Explanation

Xe has 8 valence electrons. In XeF2, Xe forms 2 bonds, leaving 6 electrons (3 lone pairs). In XeO3, Xe forms 6 bonds, leaving 1 lone pair. In XeF4, Xe forms 4 bonds, leaving 2 lone pairs. In XeF6, Xe forms 6 bonds, leaving 1 lone pair.

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