A(n) ________ Is a Persistent, Unwanted Thought

question 162

Multiple Choice

A(n) ________ is a persistent, unwanted thought.

• A) obsession
• B) compulsion
• C) delusion
• D) hallucination

---

Definitions:

Cyclopentadienyl Cation

A highly reactive, positively charged intermediate featuring a five-membered ring with two double bonds.

π Network

A system of conjugated pi bonds found in certain organic molecules, contributing to the stability and color properties of the molecule.

Cyclopropenyl Cation

A highly reactive ion with a three-membered ring structure and a positive charge.

π Network

A conjugated system in chemistry involving alternating single and double bonds that allow for the delocalization of pi electrons across the structure.