Question

Which of the following compounds can be used as fuel?

• A. Ethanol
• B. Propanol
• C. Ethanoic acid
• D. All of these

Hint:

Among the given options, ethanol is the most common renewable fuel, also blended with petrol.

Answer 1

The Correct Option is D

Step 1: Understanding the Concept:
Fuels are substances that release energy on burning.
Ethanol: Common biofuel and used in spirit lamps.
Propanol: Can be used as a fuel and solvent.
Ethanoic acid (acetic acid): Though weaker, it can burn and release energy.
Step 2: Detailed Explanation:
All the given organic compounds are combustible and can act as fuels. Ethanol is the most widely used, but technically all listed compounds qualify as fuels.
Step 3: Final Answer:
All of the given compounds can be used as fuel.