Question
Chemistry Question on Group 18 Elements
Which structure for XeO3andXeF4 are consistent with the VSEPR model?
A
XeO3, trigonal pyramidal; XeF4, square planar
B
XeO3, trigonal planar; XeF4 square planar
C
XeO3, trigonal pyramidal; XeF4, tetrahedral
D
XeO3, tirgonal planar; XeF4, tetrahedral
Answer
XeO3, trigonal pyramidal; XeF4, square planar
Explanation
Solution
XeO3 ; 3σ bond and 1 lone pair; sp3 hybridisation
Shape trigonal pyramidal
XeF4; 4 σ bonds, 2 lone pairs; sp3d2 hybridisation
Shape square planar