Question

Number of lone pairs of electrons on Xe atoms in $XeF_2, XeF_4$ and $XeF_6$ molecules are respectively

• A. 3, 2 and 1
• B. 4, 3 and 2
• C. 2, 3 and 1
• D. 3, 2 and 0

Answer 1

Answer: (A)

3, 2 and 1

Answer 2

No. of electrons around Xe in XeF2 = 8 + 2 = 10 Electron pairs =10/2 = 5 Bond pairs = 2 Lone pairs = 5-2 = 3 Similarly, lone pairs in $XeF_4$ = 2 and lone pair in $XeF_6$ = 1