Rank the following compounds in order of increasing reactivity during electrophilic substitution reactions: + NH3 NH2 0-CH2-CH3 -CH3 -CH3 II IV III
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- Treating 4-penten-1-ol with bromine in water forms a cyclic bromoether. Account for the formation of this product rather than a bromohydrin as was formed in Problem 6.33Rank the following species in order of decreasing nucleophilicity in aqueous solution CH3COO-, HO-, CH3OH, CH3S- Select one: a. CH3S- > HO- > CH3COO- > CH3OH b. CH3S- > CH3COO- > CH3OH > HO- c. HO- > CH3COO- > CH3OH > CH3S- d. CH3COO- > CH3OH > CH3S- > HO- e. CH3OH > CH3S- > HO- > CH3COO-Rank the following in increasing order of reactivity towards nucleophilic acyl substitutiona. CH3COCl, CH3COOCH3, CH3CONH2b. CH3COOCH3, CH3COOCH2CCl3, CH3COOCH(CF)3
- Rank the anions in order of increasing nucleophilicity in acetone: CH3S−, CH3NH−, I−, Br−, and CH3O−.2. How many substitution product/s is/are formed when metabromo anisole is treated with ammonia?A. 0-no reactionB. 1C. 2D. 3Arrange the alkyl halides in order of increasing reactivity in an SN2 reaction with KI in acetone (least first). I, IV, III, II II, III, I, IV IV, I, III, II III, II, IV, I
- Explain the difference in reactivity between CH3OH2 and CH3OH in a nucleophilic substitution reaction. (The pKa of H3O+ is -1.7.)Choose the best reagents from the list provided below for carrying out the following conversion. Match the reagent with the step number. HCl (aq), Zn(Hg) Br2, FeBr3 Na/NH3, -33 degrees C NBS, light KMnO4, H3O+ Mg metal, ether KOH, EtOH, heatThe reaction of 2-ethyl-1-pentene with Br2, with H2 + Pd/C, or with R2BH/THF followed by aqueous HO- + H2O2 leads to a racemic mixture. Explain why a racemic mixture is obtained in each case.
- Rank the compounds in each group in order of increasing reactivity in nucleophilic acyl substitution. CH3CH2CO2H, (CH3CH2CO)2O, CH3CH2CONHCH3Draw the major organic product for the reaction of 1-phenylpropan-1-one with sodium hydride followed by ethyl iodide. Ignore stereochemistry.When 3-methyl-1-butene is reacted with 9-borabicyclo[3.3.1]nonane, the "1-ol" product is formed. What is the detailed reactin scheme for the transformation? Describe the purification procedure.