# 10.) Specify the electron-domain geometry for the following two species using the VSEPR model: Xe...

10.) Specify the electron-domain geometry for the following two species using the VSEPR model: XeCl4 and IO4. For each species, predict the bond angles based on the electron-domain geometry.

(a)    XeCl4
geometry:

linear

trigonal planar

bent

tetrahedral

trigonal pyramidal

trigonal bipyramidal

seesaw

T-shaped

octahedral

square pyramidal

square planar

pentagonal bipyramidal

pentagonal pyramidal

pentagonal planar

bond angle:

60°

72°

90°

109.5°

120°

180°

(b)    IO4
geometry:

linear

trigonal planar

bent

tetrahedral

trigonal pyramidal

trigonal bipyramidal

seesaw

T-shaped

octahedral

square pyramidal

square planar

pentagonal bipyramidal

pentagonal pyramidal

pentagonal planar

bond angle:

60°

72°

90°

109.5°

120°

180°

Solution:-

XeCl4

Around the xenon atom, there are 4 bonding pairs, i.e. 4 Xe−Cl bonds, and 2 lone pairs on Xe. These are arranged in the shape of an octahedron, with the non-bonding electron pairs trans with respect to each other. Because we describe molecular geometry on the basis of actual atoms, the geometry of the XeCl4 molecule is square planar.

Bond Angle of XeCl4 = 90 Degree

IO4

The geometry of IO4- is Tetrahedral.

And, The bond angle in a IO4- (Tetrahedral) is 109.5o

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