Which of the Following Statements Is Not True

question 6

Multiple Choice

Which of the following statements is not true?

• A) Crown ethers complex alkali metal ions by donation of lone pairs from the oxygen atoms to the metal cation.
• B) Metal ion complexes of crown ethers dissolve in nonpolar aprotic organic solvents
• C) Addition of 18-crown-6 to a solution of benzyl bromide and potassium cyanide in a nonpolar solvent increases the rate of nucleophilic substitution.
• D) 18-Crown-6 is a planar molecule

---

Definitions:

Diagnostic and Statistical Manual

A publication by the American Psychiatric Association that provides a comprehensive classification of mental disorders.

Paraphilic Urge

A strong or persistent desire characterized by unusual or deviant sexual interests.

Sexual Interest

An inclination to behave sexually.

Genital Stimulation

The act of physically touching or applying pressure to the genital areas to achieve sexual arousal and possibly orgasm.