From a Group of 12 Students,we Want to Select a Random

question 128

Multiple Choice

From a group of 12 students,we want to select a random sample of 4 students to serve on a university committee.How many different random samples of 4 students can be selected?

• A)48
• B)20,736
• C)16
• D)495

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Definitions:

Diene

Organic compounds containing two double bonds, often involved in polymerization reactions and serving as key intermediates in organic synthesis.

Lowest Occupied

In quantum chemistry, it refers to the lowest energy orbital that contains electrons under normal conditions.

1,3-Butadiene

A colorless, flammable gas with a mild odorous smell, used in the production of synthetic rubber and other polymers.

HOMO

Stands for Highest Occupied Molecular Orbital, the topmost energy level occupied by electrons in a molecule under normal conditions.