• by heating excess of ethanol with conc. H2SO4 at 140°C

  • by treating with conc. H2SO4 at room temperature

  • by treating with conc. H2SO4 at 273 K

  • by heating Ethanol with excess of conc. H2SO4 at 443 K


by heating excess of ethanol with conc. H2SO4 at 140°C

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