Heating an alcohol in the presence of sulfuric or phosphoric acid will cause a dehydration to occur: the removal of the elements of water from a molecule, forming an alkene. The reaction usually follows an E1 mechanism. The \( \mathrm{S}_{\mathrm{N}} 1 \) pathway is suppressed, both by heating the reaction mixture (more energy promotes the elimination pathway) and by using a strong acid whose conjugate base is a poor nucleophile. : 2 : See Periodic Table See Hint i. Draw curved arrow(s) to show how the alcohol reacts with phosphoric acid.
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- Draw a curved arrow from the lone pair on the oxygen to the hydrogen ion. Show more…
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