Provide the Major Organic Product of the Following Reactions

Q38: Why are sulfonium salts good alkylating agents?

Q89: Provide a structural representation of 3-ethylfuran.

Q90: Show the reagents necessary to prepare 1,2-epoxy-1-methylcyclopentane

Q113: Provide the major organic product of the

Q114: Provide the major organic product of the

Q117: Use arrows to show correct electron flow

Q120: Provide the major organic product in

Q121: Provide the major organic product of the

Q123: Provide the major organic product in the

Q125: Provide a structural representation of 2-ethoxypentane.