Question 1

Which of the following compounds is 5-ethyl-4-isopropyl-2-methylnonane?

Accepted Answer

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

Question 2

Which of the following statements about cis-trans isomers is not correct?

Accepted Answer

A) Conversion between cis- and trans-isomers occurs easily by rotation around the double bond. 
B) In the trans- isomer,the groups of interest are on opposite sides across the double bond. 
C) In the cis- isomer,the groups of interest are on the same side of the double bond. 
D) There are no cis-trans isomers in alkynes. 
A) Conversion between cis- and trans-isomers occurs easily by rotation around the double bond. 
B) In the trans- isomer,the groups of interest are on opposite sides across the double bond. 
C) In the cis- isomer,the groups of interest are on the same side of the double bond. 
D) There are no cis-trans isomers in alkynes.

Question 3

Which substance is a monosaccharide?

Accepted Answer

A) cellulose 
B) glucose 
C) glycogen 
D) starch 
A) cellulose 
B) glucose 
C) glycogen 
D) starch

Question 4

To which family does this organic compound belong?

Accepted Answer

A) alkane 
B) alkene 
C) alkyne 
D) arene 
A) alkane 
B) alkene 
C) alkyne 
D) arene

Question 5

Orbitals used by carbon for bonding in C2H6,C2H4,and C2H2 are ________,________,and ________,respectively.

Accepted Answer

Question 6

The cycloalkane represented by a hexagon is named ________ and has the molecular formula ________.

Accepted Answer

The answer of The cycloalkane represented by a hexagon is...

Question 7

Which functional group below represents a ketone?

Accepted Answer

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

Question 8

What does the term "essential" mean when referring to amino acids? These are the amino acids which

Accepted Answer

A) are necessary for digestion. 
B) are necessary for respiration. 
C) are synthesized in our bodies. 
D) we must obtain from our diet. 
A) are necessary for digestion. 
B) are necessary for respiration. 
C) are synthesized in our bodies. 
D) we must obtain from our diet.

Question 9

The monosaccharide shown below is a(n)

Accepted Answer

A) aldohexose. 
B) aldopentose. 
C) ketohexose. 
D) ketopentose. 
A) aldohexose. 
B) aldopentose. 
C) ketohexose. 
D) ketopentose.

Question 10

What is the name of the following structure?

Accepted Answer

A) tert-butylethyne 
B) 3,3-dimethyl-1-pentyne 
C) 3-ethyl-3-methyl-1-butyne 
D) trans-ethylmethylbutyne 
A) tert-butylethyne 
B) 3,3-dimethyl-1-pentyne 
C) 3-ethyl-3-methyl-1-butyne 
D) trans-ethylmethylbutyne

Question 11

Identify the amino acid shown below.

Accepted Answer

A) Arganine (Arg) 
B) Histidine (His) 
C) Lysine (Lys) 
D) Valine (Val) 
A) Arganine (Arg) 
B) Histidine (His) 
C) Lysine (Lys) 
D) Valine (Val)

Question 12

What type of compound contains the -NH2 functional group?

Accepted Answer

A) alcohol 
B) amine 
C) carboxylic acid 
D) ether 
A) alcohol 
B) amine 
C) carboxylic acid 
D) ether

Question 13

Which statement about the differences between an amine and an amide is not correct?

Accepted Answer

A) Amides act as proton acceptors while amines do not. 
B) Amines are basic and amides are neutral. 
C) Amines form ammonium salts when treated with acid;amides do not. 
D) The lone pair of electrons on amides is held more tightly than the lone pair on an amine. 
A) Amides act as proton acceptors while amines do not. 
B) Amines are basic and amides are neutral. 
C) Amines form ammonium salts when treated with acid;amides do not. 
D) The lone pair of electrons on amides is held more tightly than the lone pair on an amine.

Question 14

The H-C-H bond angles in C2H6,C2H4,and C2H2 are ________,________,and ________,respectively.

Accepted Answer

Question 15

Which statement below is false concerning nomenclature rules for alkanes?

Accepted Answer

A) Carbon atoms are numbered starting with the atom farthest from the branching point. 
B) Each branching group is assigned a number referring to its point of attachment in the parent chain. 
C) The name of the alkane is written as a single word. 
D) The parent name is taken from the longest continuous chain of carbon atoms. 
A) Carbon atoms are numbered starting with the atom farthest from the branching point. 
B) Each branching group is assigned a number referring to its point of attachment in the parent chain. 
C) The name of the alkane is written as a single word. 
D) The parent name is taken from the longest continuous chain of carbon atoms.

Question 16

To which family does this organic compound belong?

Accepted Answer

A) alkane 
B) alkene 
C) alkyne 
D) arene 
A) alkane 
B) alkene 
C) alkyne 
D) arene

Question 17

Based on the structure of its side chains,the amino acid shown below can be classified as

Accepted Answer

A) acidic. 
B) basic. 
C) neutral,non-polar. 
D) neutral,polar. 
A) acidic. 
B) basic. 
C) neutral,non-polar. 
D) neutral,polar.

Question 18

Identify the following dipeptide.

Accepted Answer

A) Ser-Ala 
B) Ser-Leu 
C) Ser-Phe 
D) Ser-Val 
A) Ser-Ala 
B) Ser-Leu 
C) Ser-Phe 
D) Ser-Val

Question 19

"Glycerol" is the common name for

Accepted Answer

A) ethanol. 
B) 2-propanol. 
C) 1,2-ethanediol. 
D) 1,2,3-propanetriol. 
A) ethanol. 
B) 2-propanol. 
C) 1,2-ethanediol. 
D) 1,2,3-propanetriol.

Question 20

Lactose,or milk sugar,when hydrolyzed will form ________.

Accepted Answer

A) amylose and glycogen 
B) cellulose and starch 
C) glucose and galactose 
D) fructose and maltose 
A) amylose and glycogen 
B) cellulose and starch 
C) glucose and galactose 
D) fructose and maltose

Exam 23: Organic and Biological Chemistry

Which of the following compounds is 5-ethyl-4-isopropyl-2-methylnonane?

Which of the following statements about cis-trans isomers is not correct?

Which substance is a monosaccharide?

To which family does this organic compound belong?

Orbitals used by carbon for bonding in C2H6,C2H4,and C2H2 are ________,________,and ________,respectively.

The cycloalkane represented by a hexagon is named ________ and has the molecular formula ________.

Which functional group below represents a ketone?

What does the term "essential" mean when referring to amino acids? These are the amino acids which

The monosaccharide shown below is a(n)

What is the name of the following structure?

Identify the amino acid shown below.

What type of compound contains the -NH2 functional group?

Which statement about the differences between an amine and an amide is not correct?

The H-C-H bond angles in C2H6,C2H4,and C2H2 are ________,________,and ________,respectively.

Which statement below is false concerning nomenclature rules for alkanes?

To which family does this organic compound belong?

Based on the structure of its side chains,the amino acid shown below can be classified as

Identify the following dipeptide.

"Glycerol" is the common name for

Lactose,or milk sugar,when hydrolyzed will form ________.

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

Orbitals used by carbon for bonding in C₂H₆,C₂H₄,and C₂H₂ are ,,and ,respectively.

The cycloalkane represented by a hexagon is named and has the molecular formula .

What type of compound contains the -NH₂ functional group?

The H-C-H bond angles in C₂H₆,C₂H₄,and C₂H₂ are ,,and ,respectively.