Which of the Following Pairs of Structures Are Resonance Structures

question 96

Multiple Choice

Which of the following pairs of structures are resonance structures?

• A)1
• B)2
• C)3

---

Definitions:

Coolant Pressure Tank

A component in a vehicle's cooling system that holds pressurized coolant and helps maintain proper pressure levels within the system.

DEF Tank

A storage container usually found in diesel vehicles, holding Diesel Exhaust Fluid (DEF) used to reduce pollutants emitted from the exhaust.

Expansion Tank

A component in a heating or cooling system that accommodates the expansion and contraction of fluid, preventing pressure damage.

ILSAC Standards

A set of performance criteria established by the International Lubricant Standardization and Approval Committee for automotive engine oils that ensure compliance with the efficiency and emission requirements.