Which alcohol is used as a fuel additive to increase octane rating?
Ethanol (CH₃CH₂OH) is commonly used as a fuel additive (e.g., in gasoline) to improve the octane rating and reduce emissions.
Ref: NCERT Class 12 Chemistry > Chapter 7: Alcohols, Phenols and Ethers > Topic: Preparation of Phenols and Ethers - Williamson and Other Methods
