Select each true statement for the molecule shown: A) If X = C, the angle ? is g

Question

Select each true statement for the molecule shown:

A) If X = C, the angle ? is greater than the angle ?.
B) If X = C, the angle ? is greater than 109.5 degrees.
C) If X is changed from C to Ge, the bonds become shorter and stronger.
D) For X = Si, the molecule can exists in only one geometric isomers.
E) If X is changed from C to S, the ideal geometry changes from tetrahedral to square planar.

Match the corresponding isolobal fragments.

1)BH2

2)CH

3)Si(CH3)2

Explanation / Answer

the statement true regardind above molecule is

E) If X is changed from C to S, the ideal geometry changes from tetrahedral to square planar.

BH2 is isolobal fragments with Re(CO)5 both contribute 1 electron for cluster bonding .

CH is isolobal fragments with   GeCH3  both contribute 3 electron for cluster bonding .

PCl is isolobal fragments   with Si(CH3)2   both contribute 2 electron for cluster bonding .

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