Question

29. Give the curved arrow mechanism for each reaction. DOH H2SO4, H,O heat F H2SO4, H2O . х арин OH H SOHO heal 30. For the following reaction, OH H,SO,H,O heat a. Draw the curved arrow mechanism. b. Use the mechanism to explain why acid is a catalyst in the dehydration reaction. C. Draw the energy diagram.

Answer 1

H₂SO4 M20 OSOW H2004 WP H504 tuSO4 © en it fellowes Ez mecle it followes Ez mechanisms l'alcohol on n.304 +420 +44404 USGO i alcohol = Ez mechanem 2, 3 alcohol ze, mechaninn H2504 -H2O alkyloxamen son + non metstituted alkone is 6 preferred chiar alten) mayor product Acid act as catalyst because it helps in generation of alkgxy nium can - ou denates it lone pair do Ht of acid HS then act as ane nucleophile and asstraces the 4 adjacent to carbo wton to give alkene It is regenerated in best slap et anly decreans the achicaten arver and act as atyre. en