Question

Power alcohol is a mixture of

• A. $80\%$ petrol + $20\%$ benzene + small quantity of ethanol
• B. $80\%$ petrol + $20\%$ ethanol + small quantity of benzene
• C. $80\%$ ethanol + $20\%$ benzene + small quantity of petrol
• D. $50\%$ petrol + $50\%$ ethanol + small quantity of benzene

Answer 1

The correct option is B

$80\%$ petrol + $20\%$ ethanol + small quantity of benzene

Explanation for Correct Answer:

Option (B) $80\%$ petrol + $20\%$ ethanol + small quantity of benzene

• Power alcohol is a liquid mixture that contains $80\%$ petrol, $20\%$ Ethanol, and a small amount of benzene.
• Power alcohol is used in the field of automobiles in order to generate energy for various operations.
• It is also used as a vehicle fuel and is cheaper than petroleum.
• It has good anti-knocking properties and its an octane number of 90.
• Ethanol can be easily prepared by fermentation or other similar techniques.
• It is also produced as a by-product in a lot of reactions.
• Since the power alcohol contains oxygen atoms, it aids the full burning of gasoline in the engine and prevents the formation of hazardous $\mathrm{CO}$ gas.
• Hence, option (B) $80\%$ petrol + $20\%$ ethanol + small quantity of benzene is correct.