Question 1

Is the following model of glucose in the α form or the β form?

Accepted Answer

A) α form 
B) β form 
A) α form 
B) β form

Question 2

The number of different monochloro substitution products (C5H11Cl)that can form from the reaction of 2-methylbutane with Cl2 is ________.

Accepted Answer

Question 3

Identify the carboxylic acid and alcohol from which the following ester was made.

Accepted Answer

A) CH3CO2H and CH3CH2OH 
B) CH3CO2H and CH3CH2CH2OH 
C) CH3CH2CO2H and CH3CH2OH 
D) CH3CH2CO2H and CH3CH2CH2OH 
A) CH3CO2H and CH3CH2OH 
B) CH3CO2H and CH3CH2CH2OH 
C) CH3CH2CO2H and CH3CH2OH 
D) CH3CH2CO2H and CH3CH2CH2OH

Question 4

Which of the following is not part of a nucleotide?

Accepted Answer

A) cyclic amine base 
B) fatty acid 
C) phosphoric acid 
D) a sugar 
A) cyclic amine base 
B) fatty acid 
C) phosphoric acid 
D) a sugar

Question 5

Shown are ball-and-stick (1)and space-filling (2)models of acetylene.  
-What hybrid orbitals are used by carbon to form covalent bonds with hydrogen?

Accepted Answer

A) sp 
B) sp2 
C) sp3 
D) sp3d 
A) sp 
B) sp2 
C) sp3 
D) sp3d

Question 6

Which molecule is referred to as the "energy storehouse"?

Accepted Answer

A) acetyl CoA 
B) ATP 
C) CO2 
D) fatty acids 
A) acetyl CoA 
B) ATP 
C) CO2 
D) fatty acids

Question 7

Cellulose is a polymer consisting of thousands of

Accepted Answer

A) α-glucose molecules. 
B) β-glucose molecules. 
C) long chain fatty acids. 
D) amino acids. 
A) α-glucose molecules. 
B) β-glucose molecules. 
C) long chain fatty acids. 
D) amino acids.

Question 8

What are the C-C-C bond angles in cyclopropane and cyclohexane?

Accepted Answer

A) 60° in both molecules 
B) 60° in cyclopropane and 109.5° in cyclohexane 
C) 60° in cyclopropane and 120° in cyclohexane 
D) 109.5° in both molecules 
A) 60° in both molecules 
B) 60° in cyclopropane and 109.5° in cyclohexane 
C) 60° in cyclopropane and 120° in cyclohexane 
D) 109.5° in both molecules

Question 9

Which compound will exhibit cis-trans isomerism?

Accepted Answer

A) 1,2-dichloroethane 
B) 1,2-dichloroethene 
C) dichloroethyne 
D) ethylene 
A) 1,2-dichloroethane 
B) 1,2-dichloroethene 
C) dichloroethyne 
D) ethylene

Question 10

A peptide bond links

Accepted Answer

A) an alcohol and a ketone. 
B) an amide and an aldehyde. 
C) an amine and a carboxylic acid. 
D) ATP and acetyl CoA. 
A) an alcohol and a ketone. 
B) an amide and an aldehyde. 
C) an amine and a carboxylic acid. 
D) ATP and acetyl CoA.

Question 11

Which of the following molecules is the most highly oxidized?

Accepted Answer

A) acetaldehyde 
B) acetic acid 
C) ethanol 
D) 1,2-ethanediol 
A) acetaldehyde 
B) acetic acid 
C) ethanol 
D) 1,2-ethanediol

Question 12

How many isomers are there for C5H12?

Accepted Answer

A) 3 
B) 4 
C) 5 
D) 6 
A) 3 
B) 4 
C) 5 
D) 6

Question 13

Which of the molecules shown below are unsaturated?
(1)CH3CH2CH2CH(CH3)2
(2)CH3CH=CHCH(CH3)2
(3)HCCCH2CH(CH3)2

Accepted Answer

A) All are unsaturated. 
B) Only (2)and (3)are unsaturated. 
C) Only (2)is unsaturated. 
D) Only (3)is unsaturated. 
A) All are unsaturated. 
B) Only (2)and (3)are unsaturated. 
C) Only (2)is unsaturated. 
D) Only (3)is unsaturated.

Question 14

Which one of the following molecules is the most polar?

Accepted Answer

A) acetaldehyde 
B) acetic acid 
C) ethane 
D) ethylene 
A) acetaldehyde 
B) acetic acid 
C) ethane 
D) ethylene

Question 15

Which one of the following amino acids contains a polar side chain?

Accepted Answer

A) alanine 
B) glycine 
C) serine 
D) valine 
A) alanine 
B) glycine 
C) serine 
D) valine

Question 16

Which one of the following amino acids does not contain a basic side chain

Accepted Answer

A) arginine 
B) histidine 
C) lysine 
D) serine 
A) arginine 
B) histidine 
C) lysine 
D) serine

Question 17

-Which of the compounds shown above is correctly identified by the name 2,2-Dimethylpropane?

Accepted Answer

A) all 
B) none 
C) only (2) 
D) only (1),(2),and (4) 
A) all 
B) none 
C) only (2) 
D) only (1),(2),and (4)

Question 18

Which functional group below represents an aldehyde?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 19

What type of compound is formed when a carboxylic acid reacts with an alcohol?

Accepted Answer

A) an aldehyde 
B) an amide 
C) an aromatic 
D) an ester 
A) an aldehyde 
B) an amide 
C) an aromatic 
D) an ester

Question 20

What does the term "hydrophobic" mean?

Accepted Answer

A) water reactive 
B) water repelling 
C) water soluble 
D) none of these 
A) water reactive 
B) water repelling 
C) water soluble 
D) none of these

Exam 23: Organic and Biological Chemistry

Is the following model of glucose in the α form or the β form?

The number of different monochloro substitution products (C5H11Cl)that can form from the reaction of 2-methylbutane with Cl2 is ________.

Identify the carboxylic acid and alcohol from which the following ester was made.

Which of the following is not part of a nucleotide?

Shown are ball-and-stick (1)and space-filling (2)models of acetylene. -What hybrid orbitals are used by carbon to form covalent bonds with hydrogen?

Which molecule is referred to as the "energy storehouse"?

Cellulose is a polymer consisting of thousands of

What are the C-C-C bond angles in cyclopropane and cyclohexane?

Which compound will exhibit cis-trans isomerism?

A peptide bond links

Which of the following molecules is the most highly oxidized?

How many isomers are there for C5H12?

Which of the molecules shown below are unsaturated? (1)CH3CH2CH2CH(CH3)2 (2)CH3CH=CHCH(CH3)2 (3)HCCCH2CH(CH3)2

Which one of the following molecules is the most polar?

Which one of the following amino acids contains a polar side chain?

Which one of the following amino acids does not contain a basic side chain

-Which of the compounds shown above is correctly identified by the name 2,2-Dimethylpropane?

Which functional group below represents an aldehyde?

What type of compound is formed when a carboxylic acid reacts with an alcohol?

What does the term "hydrophobic" mean?

Chemistry: Matter and Measurement

Atoms, molecules, and Ions

Formulas, equations, and Moles

Reactions in Aqueous Solutions

Periodicity and the Atomic Structure of Atoms

Ionic Bonds and Some Main-Group Chemistry

Covalent Bonds and Molecular Structure

Thermochemistry: Chemical Energy

Gases: Their Properties and Behavior

Liquids,solids,and Phase Changes

Solutions and Their Properties

Chemical Kinetics

Chemical Equilibrium

Aqueous Equilibria: Acids and Bases

Applications of Aqueous Equilibria

Thermodynamics: Entropy, free Energy, and Equilibrium

Electrochemistry

Hydrogen, oxygen, and Water

The Main-Group Elements

Transition Elements and Coordination Chemistry

Metals and Solid-State Materials

Nuclear Chemistry

Filters

The number of different monochloro substitution products (C₅H₁₁Cl)that can form from the reaction of 2-methylbutane with Cl₂ is ________.

How many isomers are there for C₅H₁₂?

Which of the molecules shown below are unsaturated? (1)CH₃CH₂CH₂CH(CH₃)₂ (2)CH₃CH=CHCH(CH₃)₂ (3)HCCCH₂CH(CH₃)₂