If an Increase in Income Causes a Decrease in the Consumption

question 91

Multiple Choice

If an increase in income causes a decrease in the consumption of good Y,we know that good Y is:

• A) a normal good.
• B) a substitute.
• C) a complement.
• D) an inferior good.

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Definitions:

IR Spectroscopy

A technique used to identify molecular structures through the absorption of infrared light, which causes molecular vibrations.

Compounds

Substances formed from the chemical combination of two or more elements, characterized by specific molecular compositions and properties.

C=O Stretch

A vibrational mode in infrared spectroscopy, indicating the presence of a carbonyl group (\(C=O\)) in the molecule, characterized by a strong, distinctive absorption band.

Aldehydes

Organic compounds characterized by the carbonyl group bonded to at least one hydrogen atom.