JEE Main2010ChemistryAlcohols Phenols and EthersActual
From amongst the following alcohols the one that would react fastest with conc. HCl and anhydrous ZnCl ₂ , is
Options
- A2-Butanol
- B2-Methylpropan-2-ol
- C2-Methylpropanol
- D1-Butanol
Correct answer
B. 2-Methylpropan-2-ol
Step-by-step solution
3^ alcohols react fastest with ZnCl ₂ / conc. HCl due to formation of 3^ carbocation and 2- methyl propan-2-ol is the only 3^ alcohol