Question 80: [Organic > Carboxylic Acids and Derivatives] Mevalonic acid is an intermediate in the biosynthesis of cholesterol, and i...

Question 79: [Organic > Hydroxyl Compounds] When the apparatus below was used with compound Z , a brick-red precipitate formed in the...

Question 70: [Organic > Carbonyl Compounds] The product of the reaction between propanone and hydrogen cyanide is hydrolysed under aci...

Question 69: [Organic > Hydroxyl Compounds] In a preparation of ethene, ethanol is added a drop at a time to a heated reagent Y . To p...

Question 68: [Organic > Carbonyl Compounds] In its reaction with sodium, 1 mol of a compound X gives 1 mol of H 2 (g). Which compou...

Question 67: [Organic > Halogen Derivatives] Chlorofluoroalkanes, commonly known as CFCs, undergo homolytic fission by ultraviolet irr...

Question 66: [Organic > Halogen Derivatives] The reaction scheme outlines the production of one of the monomers of nylon 66 from comp...

Question 65: [Organic > Carbonyl Compounds] Which reaction is not an electrophilic addition? A CH 2 =CH 2 + HI à CH 3 CH 2 I B ...

Question 64: [Organic > Halogen Derivatives] Cyclohexa-1,4-diene is treated with a solution of bromine in tetrachloromethane. Ref...

Question 103: [Organic > Hydrocarbons] The complete combustion of alkanes to produce carbon dioxide and water is an important exotherm...