A Quantum Chemistry Program Indicates That the Dipole Moment of PH₃

question 12

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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Definitions:

Pareto Optimal

A situation in the allocation of resources where it's not feasible to benefit one person without harming another.

Utility Function

A mathematical representation that assigns a numerical value to different bundles of goods, indicating the level of satisfaction or happiness the consumer derives from their consumption.

Pareto Efficient

An economic state where it is impossible to make any one individual better off without making at least one individual worse off.

Initial Endowment

The set of resources or assets that agents possess at the start of an economic analysis or experiment.