Which Statement Best Explains Why a Carbonyl Absorbs Infrared Radiation

question 9

Multiple Choice

Which statement best explains why a carbonyl absorbs infrared radiation at a higher frequency than an alkene absorption?

• A) Oxygen has a higher molecular mass than carbon.
• B) A carbonyl bond is more polarized than an alkene bond.
• C) Resonance delocalization of electrons invokes greater single bond character in a carbonyl bond.
• D) A carbonyl π bond is much stronger than an alkene π bond.

---

Definitions:

Sample Standard Deviation

A measure of the amount of variation or dispersion of a set of sample values from their mean.

Population Standard Deviation

A measure that quantifies the amount of variation or dispersion of a set of data values for the entire population.

Ounces

A unit of weight in the United States customary and British imperial systems, equal to 1/16 of a pound.

Margin of Error

The amount of error allowed in a survey or experiment results, expressing the confidence in the reliability of the data.