Which of the Following Applications Would a Crown Ether Typically

question 19

Multiple Choice

Which of the following applications would a crown ether typically not be used for?

• A)as a chelating agent to remove heavy metals from water
• B)to capture minute amounts of precious metals from seawater
• C)as a means to indirectly bring reactive anions into nonpolar solvent media
• D)to study the chemistry of "host-guest" complexation
• E)to stabilize Grignard and organolithium reagents

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Definitions:

Ambrosia

In classical mythology, the food of the gods, which conferred immortality; in general usage, something very pleasing to taste or smell.

Plowshares

Metal blades fitted to a plow, used in farming to cut through the soil.

Comparative Advantage

The ability of an entity to produce goods or services at a lower opportunity cost than other entities, leading to more efficient economic exchanges.

Production Possibilities Frontier

A curve depicting all maximum output possibilities for two goods, given a set of inputs and production technology.