A Quantum Chemistry Program Indicates That the Dipole Moment of PH₃

question 68

Multiple Choice

A quantum chemistry program indicates that the dipole moment of PH₃ is zero. Which statement(s) best explains this result?

• A) PH₃ is a trigonal planar structure and the bond dipoles cancel.
• B) PH₃ violates the octet rule and does not exist.
• C) The electronegativities of P and H are very close in value; therefore, no bond dipoles exist.
• D) A and C only
• E) A, B, and C

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