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- 16. Which of the following is most likely to react as a base rather than a nucleophile? A. I B. II C. III D. IV || III Xe IV23. What is the major organic product of the following reaction? A. I B. II C. III D. IV 1. NaNH, 2. CH₂CH₂l NH₂ || III IVDetermine the product(s) for each reaction. А. TSCI pyridine CI. H В. SOCI, но H. pyridine H CI .CI С. KI H TsO H. HO HCI H OTs TsO D. ZnCl2 ... A.
- b. an SN1 process C. an E2 process d. an SN2 process 25. Consider the Grignard reaction below to answer the following question(s). The nucleophile in this reaction is: A MgBr H₂C 0 || B CH3 C 1. ether 2. H30* D HO Ċ---CH3 CH324. Which product is formed by the reaction ? A) | B) || C) ||| D) IV Br ОН NaH Br ... هستم IVHO 2. Complete the following reactions by filling in any missing reactants, reagents or products. a) Zn(Hg) conc. HCI b) OH olamee hoosla bas im 0.011o om me Im 0.01 1o smulov c) awiboa lo omnl C sid gnien) to omi 010 CHO. РСС CH,Cl,
- Most nucleophilic 3860 Br CI F Least nucleophilic Answer Bank6. Rank order the following substitution reactions by reaction rate (Fastest to Slowest) OHS structure of DMSO A. || > | > | > IV B. II >> III > IV C. IV > II > | > ||II D. II >> IV > III E. None of the above I || III IV ~ en Br ~ Br CH,NH, CH₂OH CH₂SH DMSO CHÍNH, CH₂OH CH₂OH + Product Product Product ProductWhat type(s) of catalysis is/are present in the enzymatic reaction below? SCOA H-His CH SCOA Asp CH COASH CH: CO HO-C-COO" HO-C-COO H-CH, acetyl-CeA SCOA CH, CH; CH COO COO COO oxaloacetate an intermediate citrate Select one or more: a. general acid b. general base C. metal ion d. specific base e. nucleophilic f. specific acid
- 027 In Part 1 add the curved arrows to the nucleophilic acyl substitution reaction mechanism. In Part 2, answer the multiple-choice question about the reaction in Part 1. Part 1 4 See Periodic Table O See Hint :0: :Br: Add the missing curved arrow notation. S CI Br Part 2 Which statement is most correct regarding the equilibrium for the above reaction? Choose one: O The equilibrium favors the right (i.e., Kea > 1) because acetate is a better leaving group than bromide. O The equilibrium favors the right (i.e., Kea > 1) because bromide is a better leaving group than acetate. O The equilibrium favors the left (i.e., Keq« 1) because acetate is a better leaving group than bromide. O The equilibrium favors the left (i.e., Keg 1) because bromide is a better leaving group than acetate. +MULTIPLE CHOICE QUESTION What is the major product of the following reaction? NaBr + MeOH + ?????? Br А. D. B. Е. С. D E C A Submit Rewatch !Which of the following is most likely to act as a base rather than a nucleophile? I II II IV а. I b. II с. Ш d. IV