What Are the Possible Combinations of Multiple Bonds and Rings

question 54

Multiple Choice

What are the possible combinations of multiple bonds and rings if a compound's index of hydrogen deficiency equals 2?

• A) two rings; one ring and a triple bond; two triple bonds
• B) two rings and a double bond; three rings; one ring and two double bonds; two triple bonds
• C) three rings; two rings and a double bond; one ring and two double bonds; two triple bonds; one ring and one triple bond
• D) two rings; one ring and a double bond; two double bonds; one triple bond
• E) two rings; two double bonds; a ring and a triple bond; one double bond and one triple bond

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Definitions:

Low-gradient River

A river with a gentle slope, resulting in slow water movement and often meandering courses.

Downcutting

The erosional process by which a river cuts downward into its bed, deepening the river channel.

Discharge

The volume of water flowing through a river or stream or out of a particular structure, often measured in cubic meters per second.

Cubic Meters

A unit of volume in the metric system, indicating the volume of a cube whose sides are each one meter in length.