The Vibrational Frequency of CO When Bound to a Metal

question 5

Multiple Choice

The vibrational frequency of CO when bound to a metal ion is lower than that of free CO because

• A) the crystal field shifts the energy of the vibration.
• B) CO is a weak field ligand.
• C) the high electronegativity of the metal ion.
• D) the metal donates an electron to a bonding orbital of CO.
• E) the metal donates an electron to an antibonding orbital of CO.

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Definitions:

Null Hypothesis

The hypothesis that there is no significant difference or effect, serving as the default assumption to be tested in statistical analysis.

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Additional insurance that complements primary health plans by covering extra or uncovered health care costs.

Proportion

A part, share, or number considered in comparative relation to a whole; a statistical term referring to the ratio of one part to the whole.

Null Hypothesis

A hypothesis in statistical testing that proposes no statistical significance exists in a set of given observations.