The World Population Is Approximately ________ People

question 57

Multiple Choice

The world population is approximately ________ people.

• A) 6.8 million
• B) 2 trillion
• C) 6.8 billion
• D) 6.8 trillion
• E) 680 million

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Definitions:

Sigmatropic Rearrangement

A type of pericyclic reaction in which a σ-bond (sigma bond) changes position relative to a π system (pi system) within a molecule, following specific suprafacial or antarafacial pathways.

Diels-Alder

A chemical reaction between a diene and a dienophile, resulting in the formation of a cyclohexene derivative.

Diene

An organic compound containing two double bonds, often involved in polymerization and other chemical reactions.

Dienophile

A chemical compound with an electron-deficient double or triple bond that readily reacts with a diene in a Diels-Alder reaction to form cyclohexene derivatives.