Exam 12: Organohalides: Nucleophilic Substitutions and Eliminations

Consider the pair of reactions below to answer the following question(s). a. or b. -Refer to instructions. Which of the following statements is false?

What is the preferred stereochemistry of the E2 elimination?

For each question, draw a structure corresponding to the given name. -Draw: 3-iodoprop-1-ene

For each question, provide structures for the reactants, intermediates, or products, as indicated. Draw the structures in the boxes provided. -Complete the following reaction sequence by drawing the structure of the products in the boxes provided.

Consider the pair of reactions below to answer the following question(s). a. or b. -Refer to instructions. The solvent in these reactions is:

Predict the product of the following reaction:

For each question, provide structures for the reactants, intermediates, or products, as indicated. Draw the structures in the boxes provided. -Draw the structure of the product of the following reaction.

For each question, provide structures for the reactants, intermediates, or products, as indicated. Draw the structures in the boxes provided. -If the pK_a of methane is 60 and that of ethene is 44, predict if the following reaction occurs and if so write the formula for the product.

Which is most reactive in an S_N1 reaction? Explain your choice. a. b. CH₃I c. d. e.

Consider the reaction below to answer the following question(s). -Refer to instructions. Draw a Newman projection of the reactive conformation of the starting material.

Which of the following statements about an S_N2 reaction is true?

Consider the pair of reactions below to answer the following question(s). a. or b. -Refer to instructions. The mechanism for these reactions is:

Which mechanism is favored by the reaction of a tertiary alkyl chloride with ethanol?

Provide a IUPAC name for each of the following alkyl halides. -Name:

The bromination of an alkene using N-bromosuccinimde involves

Which conditions favor an efficient (fast, high yield) S_N2 reaction between an appropriate alkyl halide and a nucleophile with a charge?

Consider the pair of reactions below to answer the following question(s). a. or b. -Refer to instructions. The nucleophile in these reactions is:

Consider the pair of reactions below to answer the following question(s). a. or b. -Consider the reactions above. a)Which reaction would be predicted to be faster? b)Classify the reactions as S_N1 or S_N2. c)Explain your answers to the questions above.

Consider the reaction below to answer the following question(s). -Refer to instructions. Compound C is the:

For each question, provide structures for the reactants, intermediates, or products, as indicated. Draw the structures in the boxes provided. -Which of the following would produce a mixture of products when treated under appropriate conditions with N-bromosuccinimide?