Which alcohol is a common ingredient in antifreeze and hydraulic fluids?
Ethane-1,2-diol (CH₂OH-CH₂OH), or ethylene glycol, is widely used in antifreeze and hydraulic fluids due to its low freezing point and high boiling point.
Ref: NCERT Class 12 Chemistry > Chapter 7: Alcohols, Phenols and Ethers > Topic: Preparation of Phenols and Ethers - Williamson and Other Methods