There are several reducing agents which are capable of reducing ketone to secondary alcohol. As learnt before, propene is prepared by propanol. Then, given alkyl halide (1,2-dibromopropaane) is heated with alcoholic KOH to prepare propyne. Matt. (a) Illustrate the following name reactions by giving example : (i) Cannizzaro’s reaction (ii) Clemmensen reduction Propanol can be converted to proyne in several steps. The acids aren't written into the equation because they serve as catalysts. Then, propene reacts with liquid bromine to prepare 1,2-dibromopropane, an alkyl halide compound. Then. 350 ml of concentrated sulfuric acid is placed in a 3000ml flask and cooled to -10°C. The term stems from cumene (isopropyl benzene), the intermediate material during the process. Lv 5. Favorite Answer. 2 Answers. Answer Save. It was invented by R. Ūdris and P. Sergeyev in 1942 (USSR). , and independently by Heinrich Hock in 1944 I don't know how to convert an alkene straight to a ketone, so I tried to think of some intermediate functional group to link the two. (iii) Propanone to Propene Answer: Aldehydes, Ketones and Carboxylic Acids Class 12 Important Questions long Answer Type [LA] Question 51. Propanone, the simplest ketone compoundcan be reduced to a secondary alcohol by a reduction reaction. 10 years ago. Click hereto get an answer to your question ️ How will you bring about the following conversions in not more than two steps? Relevance. Propan-2-ol can be dehydrated to give propene by heating it with an excess of concentrated sulphuric acid at about 170°C. Phenyl-2-Propanone 2. Concentrated phosphoric (V) acid, H 3 PO 4, can be used instead. show how to convert propene to propanone (acetone) in two steps? The cumene process (cumene–phenol process, Hock process) is an industrial process for synthesizing phenol and acetone from benzene and propylene. secondary alcohol is dehydrated to propene by a dehydrator in this