Question 1

What is the correct structure for 2-hydroxyacetophenone?

Accepted Answer

A)  
B)  
C)  
D)

Question 2

Many nucleophilic addition reactions of aldehydes and ketones are catalyzed by acid or base. Bases catalyze hydration by:

Accepted Answer

A)  making the carbonyl group more electrophilic 
B)  shifting the equilibrium of the reaction 
C)  making the carbonyl group less electrophilic 
D)  converting the water to hydroxide ion, a much better nucleophile

Question 3

Instructions: Predict the products from the information given for the following question(s).
-Predict:

Accepted Answer

The answer of Instructions: Predict the products from the information...

Question 4

Instructions: $\alpha$,$\beta$-Unsaturated aldehydes and ketones can undergo reaction with nucleophiles at the $\beta$ carbon, as shown below. Use this information to answer the following question(s). 
-Refer to instructions. This reaction is called a(n) _____ reaction.

Accepted Answer

A)  conjugate addition. 
B)  electrophilic addition. 
C)  direct addition 
D)  1,2-addition.

Question 5

Instructions: Draw structures corresponding to each of the following names.
-Draw:
benzophenone

Accepted Answer

The answer of Instructions: Draw structures corresponding to each of...

Question 6

Instructions: Predict the products from the information given for the following question(s).
-Predict:

Accepted Answer

The answer of Instructions: Predict the products from the information...

Question 7

Outline the synthetic steps necessary to carry out the conversion below. You may use any organic or inorganic reagents you need. Show the structures of all intermediate compounds that would probably be isolated during the course of your synthesis, and show all necessary reagents.

Accepted Answer

The answer of Outline the synthetic steps necessary to carry...

Question 8

What hemiacetal would form from the internal nucleophillic addition reaction of the following compound?

Accepted Answer

The answer of What hemiacetal would form from the internal...

Question 9

Instructions: Provide IUPAC names for each structure below.
-Name:

Accepted Answer

The answer of Instructions: Provide IUPAC names for each structure...

Question 10

Instructions: Predict the products from the information given for the following question(s).
-Predict:

Accepted Answer

The answer of Instructions: Predict the products from the information...

Question 11

Instructions: Consider the data below to answer the following question(s).
Cyanohydrins are important intermediates in the synthesis of $\alpha$-hydroxycarboxylic acids from ketones and aldehydes. The nitrile functional group can be hydrolyzed by aqueous acid to yield a carboxylic acid. Nitriles can also be hydrolyzed to carboxylic acids using aqueous base. When a cyanohydrin is treated with aqueous base, however, the original carbonyl compound is isolated. 
-Refer to instructions. Identify the electrophile and nucloephile in the reaction of benzaldehyde with hydrogen cyanide.

Accepted Answer

The answer of Instructions: Consider the data below to answer...

Question 12

Instructions: Provide IUPAC names for each structure below.
-Name:

Accepted Answer

The answer of Instructions: Provide IUPAC names for each structure...

Exam 9: Aldehydes and Ketones: Nucleophilic Addition Reactions

What is the correct structure for 2-hydroxyacetophenone?

Many nucleophilic addition reactions of aldehydes and ketones are catalyzed by acid or base. Bases catalyze hydration by:

Instructions: Predict the products from the information given for the following question(s). -Predict:

Instructions: α\alphaα , β\betaβ -Unsaturated aldehydes and ketones can undergo reaction with nucleophiles at the β\betaβ carbon, as shown below. Use this information to answer the following question(s) . -Refer to instructions. This reaction is called a(n) _____ reaction.

Instructions: Draw structures corresponding to each of the following names. -Draw: benzophenone

Instructions: Predict the products from the information given for the following question(s). -Predict:

Outline the synthetic steps necessary to carry out the conversion below. You may use any organic or inorganic reagents you need. Show the structures of all intermediate compounds that would probably be isolated during the course of your synthesis, and show all necessary reagents.

What hemiacetal would form from the internal nucleophillic addition reaction of the following compound?

Instructions: Provide IUPAC names for each structure below. -Name:

Instructions: Predict the products from the information given for the following question(s). -Predict:

Instructions: Provide IUPAC names for each structure below. -Name: