The molecular shape of the sih2cl2 molecule is approximately and its dipole moment is .
a. tetrahedral, zero
b. tetrahedral, greater than zero
c. trigonal planar, zero
d. trigonal planar, greater than zero

The molecular shape of the SiH2Cl2 molecule is approximately tetrahedral and its dipole moment is zero.

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A

Explanation:

The molecule would not have a net dipole moment because the dipole moments cancel out. Being a vector quantity, dipole moment is affected by the direction of the dipole. If the dipoles are such that they are oriented opposite each other, theory simply cancel out. Polarity of individual bonds in a molecule does not automatically imply that the molecule must poses a net dipolev moment. The polarity of the Si-H and Si-Cl bonds cancel out cause they are oriented opposite each other hence the molecule is non polar.