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General Chemistry

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Dipoles: Selenium Oxide Dichloride and Selenium Oxide Dibromide

CHEM-B17GWI

Below are sketches of ${ SeOCl }_{ 2 }$ and ${ SeOBr }_{ 2 }$ that illustrate their molecular geometry. Use these as a starting point to determine which of the statements that follow are true.

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Select ALL that apply.

A

Both of these molecules have dipole moments.

B

Both of these molecules are polar.

C

The dipole moment of ${ SeOCl }_{ 2 }$ is larger than that of ${ SeOBr }_{ 2 }$.

D

The dipole moment of ${ SeOCl }_{ 2 }$ is aligned perpendicular to the base of the trigonal pyramid and passes through the top of the pyramid (the Se atom).