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In the Acid Catalyzed Condensation Synthesis of Methyl beta- Napthyl Ether experiment, the following reaction is performed. Draw a detailed arrow pushing mechanism for this reaction?
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- Benzene is one of the compounds used as octane enhancers in unleaded gasoline. It is manufactured by thecatalytic conversion of acetylene to benzene: 3C2 H2(g) ⇌ C6 H6(g). Which value of Kc would make this reactionmost useful commercially? Kc ≈ 0.01, Kc ≈ 1, or Kc ≈ 10. Explain your answer) Which of the following scientific statements are true and which are false? 1- [ ] E1 describes an elimination reaction in which the rate-determining step does not involve the base. 2- [ ] Rate of formation of carbocations follow the order 3˚ > 2˚> 1˚> CH3+ 3- [ ] Cyclohexanol is oxidized to ketone using Jone's reagent. 4- [ ] Symmetric ethers are generally synthesized by dehydration of alcohols. 5- [ ] The SN2 reaction occurs with inversion of configuration.The following reactivity order has been found for the saponification of alkyl acetates by aqueous NaOH. Explain. CH3CO2CH3 > CH3CO2CH2CH3 > CH3CO2CH(CH3)2 > CH3CO2C(CH3)3
- The formation of Br2 from NBS first involves the reaction of NBS with HBr to form an iminol intermediate and molecular bromine. The intermediate then undergoes acid-catalyzed tautomerism to form succinimide, the byproduct of the reaction. Propose a curved-arrow mechanism for the conversion of NBS into succinimide that also accounts for the formation of Br2.Explain the following result. Although alkenes are generally more reactive than alkynes towards electrophiles, the reaction of Cl2 with but-2-yne can be stopped after one equivalent of Cl2 has been added.Show the reaction mechanism for the formation of diethyl ether from ethanol in concentrated sulfuric acid: a. SN2 b. SN1
- Arrange the following compounds in their ease of undergoing an SN2 reaction: a. CH3CH2CH2-Cl b. (CH3)2CH-Br c. (CH3)3C-Cl d. CH3-Brn-Pentanol (CH3CH2CH2CH2CH2OH) and 2-methylbutan-2-ol (CH3CH2C(CH3)2OH) are converted to their corresponding alkyl chorides on being reacted with hydrogen chloride. (a) Write out an equation for each reaction (b) Assign each the appropriate symbol (SN1 or SN2) (c) Write a suitable mechanism for each reactionShow the relationship between E2 Reactions and Alkyne Synthesis ?
- Explain the following result. Although alkenes are generally more reactive than alkynes toward electrophiles, the reaction of Cl2 with but-2-yne can be stopped after one equivalent of Cl2 has been added.Devise a synthesis of (E)-1-phenylhex-1-ene (CH3CH2CH2CH2CH = CHPh) using hydrocarbons having ≤ 6 C’s and a Suzuki reaction as one of the steps.Give at least two methods for the synthesis of 2-methylpropane. What happens if it is treated with: a) HNO3 dilute, t °C, p; b) Br2/t °C; c) H2SO4 conc. In the case of the reaction with HNO3 dilute, t °C, p the mechanism is required.
