Question 1

Which of the following best describes a condensation reaction in organic chemistry?

Accepted Answer

A reaction in which two smaller molecules combine to form a larger molecule, producing water as a byproduct.

Question 2

What is the principal product when ethyl acetate undergoes hydrolysis in the presence of a strong acid?

Accepted Answer

Acetic acid and ethanol

Question 3

Which functional group is formed when a carboxylic acid reacts with an alcohol in a condensation reaction?

Accepted Answer

Ester

Question 4

During the hydrolysis of a triacylglycerol (triglyceride), what are the products?

Accepted Answer

Three fatty acids and one glycerol

Question 5

Which enzyme catalyzes the hydrolysis of phosphate groups from organic molecules?

Accepted Answer

Phosphatase

Question 6

What is the major product when ethylene ($$CH_2$$=$$CH_2) $$reacts with $$HCl$$?

Accepted Answer

Chloroethane ($$CH_3CH_2Cl)$$

Question 7

Which of the following statements about the hydrogenation of alkenes is correct?

Accepted Answer

Hydrogenation requires a catalyst such as Pd or Pt.

Question 8

In the acid-catalyzed hydration of propene ($$CH_3CH=CH_2$), which carbon receives the hydroxyl group according to Markovnikov’s rule?

Accepted Answer

The more substituted carbon

Question 9

Which of the following is a hydrolyzable lipid?

Accepted Answer

Triacylglycerol

Question 10

What is the result of the hydrolysis of beeswax (an ester) in the presence of water?

Accepted Answer

A carboxylic acid and an alcohol

Question 11

Which of the following best describes the role of ATP hydrolysis in biochemistry?

Accepted Answer

ATP hydrolysis is a hydrolysis reaction that releases energy.

Question 12

Which of the following is NOT a product of the hydrolysis of an anhydride?

Accepted Answer

An alcohol

Question 13

A triglyceride is formed by the condensation of which two types of molecules?

Accepted Answer

Three fatty acids and one glycerol

Question 14

Which of the following reactions is an example of a dehydration (condensation) reaction?

Accepted Answer

$$CH_3COOH + CH_3CH_2OH \rightarrow CH_3COOCH_2CH_3 + H_2O$$

Question 15

Which of the following best explains why partial hydrogenation of vegetable oils can lead to the formation of trans fats?

Accepted Answer

Some double bonds reform in the more stable trans configuration during the process.

Question 16

Which of the following is true about the addition of halogens (e.g., $$Cl_2$$, $$Br_2) to $$alkenes?

Accepted Answer

The reaction forms a haloalkane.

Question 17

Which of the following is the correct product for the acid-catalyzed hydration of ethene ($$CH_2$$=$$CH_2$$)?

Accepted Answer

Ethanol ($$CH_3CH_2OH)$$

Question 18

Which of the following best describes the difference between hydrolyzable and nonhydrolyzable lipids?

Accepted Answer

Hydrolyzable lipids contain ester bonds that can be broken by water, while nonhydrolyzable lipids do not.

Question 19

Which of the following is a correct example of a hydrolysis reaction?

Accepted Answer

$$CH_3COOCH_2CH_3 + H_2O \rightarrow CH_3COOH + CH_3CH_2OH$$

Question 20

Which of the following statements about Markovnikov’s rule is correct?

Accepted Answer

The hydrogen atom adds to the less substituted carbon of the double bond.

Organic Reactions: Condensation, Hydrolysis, and Addition Reactions

Study Guide - Practice Questions