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