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What happens when ethanol is heated at 443 K with excess of conc. H2SO4?

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What happens when ethanol is heated at 443 K with excess of conc. H2SO4?

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Concentrated sulphuric acid can act as a dehydrating agent. Hence, ethanol when heated at 443 K with excess conc. H2SO4 undergoes dehydration reaction to form ethene. 

The reaction involved is,

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