Which alcohol is used as an antifreeze in automobile radiators?
Ethane-1,2-diol (CH₂OH-CH₂OH), commonly called ethylene glycol, is widely used as an antifreeze due to its ability to lower the freezing point of water.
Ref: NCERT Class 12 Chemistry > Chapter 7: Alcohols, Phenols and Ethers > Topic: Chemical Reactions of Alcohols - Dehydration Oxidation Esterification