Exam 6: An Overview of Organic Reactions

Instructions: Classify each structure below as a nucleophile or electrophile,and briefly explain your choice. -Classify and explain:

In an organic reaction,which of the following is most likely to function as only a nucleophile?

How many monochlorosubstitution products are possible for 2,3-dimethylbutane?

Instructions: Use the first step of the reaction of 2-bromo-2-methylpropane with water,shown below,to answer the following question(s). -Refer to instructions.Species B is:

Consider the following reaction: a)Assuming that the first step is the slow step, draw and label a qualitative energy diagram for the reaction. b) If the second step of the reaction were the slow step, briefly explain how the values of , and DG° would change.

Instructions: Add curved arrows to the following reaction(s)to indicate the flow of electrons in each. -Indicate flow:

Instructions: Use the second and third steps of the reaction of 2-bromo-2-methylpropane with water,shown below,to answer the following question(s). -Refer to instructions.Label the nucleophile,Nu,and the electrophile,E⁺,in the blanks provided under the structures.

Instructions: Match each definition to one of the terms below.

Instructions: Use the first step of the reaction of 2-bromo-2-methylpropane with water,shown below,to answer the following question(s). -Refer to instructions.Add curved arrows to indicate electron flow in the first step.

The structures below show the stepwise bond making and bond breaking in this reaction.Draw curved arrows to show the electron flow that has occurred in each step.

Instructions: Identify the functional groups present in each compound below,and predict the direction of polarity in each. -Identify and predict: mustard gas Cl-CH₂CH₂-S-CH₂CH₂-Cl

Instructions: Identify and label the nucleophile and electrophile in each reaction below. -Identify and label:

Predict the two alcohol addition products obtained by reaction of the following alkene with aqueous acid.

If the yield for the following reaction is 76%,calculate K_eq and predict the sign of DG ^$\circ$ .

Instructions: Identify the functional groups present in each compound below,and predict the direction of polarity in each. -Identify and predict:

Instructions: Identify and label the nucleophile and electrophile in each reaction below. -Identify and label:

Which of the following is a characteristic of a polar reaction?

Which of the following correctly compares the two elements in terms of polarizability?

Instructions: Use the reaction energy diagram below to answer the following question(s). -

In the following generic reaction between a halogen (X)and an alkane (R),which of the following steps occurs slowly due to low concentration of reactants?