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# Direction of Dipole Moment: ${ CH }_{ 3 }F$ and ${ CHCl }_{ 3 }$

CHEM-QU7WHB

Below are 3-dimensional Lewis structures of ${ CH }_{ 3 }F$ and ${ CHCl }_{ 3 }$.

Use the Lewis structures to help determine which of the following statements are true.

Select ALL that apply.

A

Both molecules are polar.

B

Both molecules have a dipole moment.

C

The dipole moment of ${ CH }_{ 3 }F$ lies along the C-F internuclear axis while that of ${ CHCl }_{ 3 }$ lies along the C-H internuclear axis.

D

Given the orientations illustrated in the sketch, the dipole moments of each point in opposite directions along the C-F and C-H axes in the respective molecules.