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- How to figure out E and Z fornalkenes?Answer all questions Q1. What are the various ways by which alkenes maybe synthesized. Q2. Give two examples each of unsymmetrical alkenes and reagents. Q3. Give three examples of reactions of alkenes which tesult in anti markovnikov additioncomplete the conversion using SN1, SN2, E1, or E2. what is a possible reagent? cyclohexane --> cyclodi-1, 3- ene
- What starting alkene reacted with H2O and H2SO4 catalyst is required to produce 2-methylbutan-2-ol?For alkenes A, B, and C: (a) Rank A, B, and C in order of increasing heat of hydrogenation; (b) rank A, B, and C in order of increasing rate of reaction with H2, Pd-C; (c) draw the products formed when each alkene is treated with ozone, followed by Zn, H2O.What other alkene is also formed along with Y in Sample Problem 9.3? What alkenes would form from X if no carbocation rearrangement occurred?
- Less stable alkenes can be isomerized to more stable alkenes by treatment with strong acid. For example, 2,3- dimethylbut-1-ene is converted to 2,3-dimethylbut-2-ene when treated with H2SO4. Draw a stepwise mechanism for this isomerization process.What starting materials are needed to prepare each alkene by a Wittig reaction? When there are two possible routes, indicate which route, if any, is preferred.Which alkene would give the product alcohol as shown as themajor product? A) I B) II C) III D) Both I and II
- Which of the following alkene addition reactions is regioselective?A) HalogenationB) Hydration C) Both A and BD) Neither A and B(a) What product(s) are formed when the E isomer of C6H5CH = CHC6H5 is treated with Br2, followed by one equivalent of KOH? Label the resulting alkene(s) as E or Z. (b) What product(s) are formed when the Z isomer of C6H5CH = CHC6H5 is subjected to the same reaction sequence? (c) How are the compounds in parts (a) and (b) related to each other?help ASAP Draw the products formed when cyclohexene is treated with this reagent: NBS (aqueous DMSO)