Question 1

What is the IUPAC name for the continuous carbon chain of C10H22?

Accepted Answer

A) decane 
B) dipentane 
C) tenalkane 
D) tenane 
A) decane 
B) dipentane 
C) tenalkane 
D) tenane

Question 2

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 3

In the protein,His- Tyr- Val- Pro,which amino acid contains the N-terminal group?

Accepted Answer

A) valine 
B) tyrosine 
C) proline 
D) histidine 
A) valine 
B) tyrosine 
C) proline 
D) histidine

Question 4

When alkanes react with chlorine in the presence of ultraviolet light,chlorine atoms substitute for one or more alkane hydrogen atoms.What is the number of different chloroalkane compounds that can be formed by the reaction of C2H6 with chlorine?

Accepted Answer

A) 3 
B) 6 
C) 9 
D) 12 
A) 3 
B) 6 
C) 9 
D) 12

Question 5

None of the listed compounds contains a ring.Which has at least one triply-bonded carbon atom?

Accepted Answer

A) C2H6 
B) C3H4 
C) C4H8 
D) All of these 
A) C2H6 
B) C3H4 
C) C4H8 
D) All of these

Question 6

All of the fatty acids below contain eighteen carbons and range from saturated to three double bonds.Which has the highest melting point?

Accepted Answer

A) stearic acid (saturated) 
B) oleic acid (one double bond) 
C) linoleic acid (two double bonds) 
D) linolenic acid (three double bonds) 
A) stearic acid (saturated) 
B) oleic acid (one double bond) 
C) linoleic acid (two double bonds) 
D) linolenic acid (three double bonds)

Question 7

The reactions that generally release energy that is used to power living organisms are called

Accepted Answer

A) anabolic reactions. 
B) catabolic reactions. 
C) metabolic reactions. 
D) none of these 
A) anabolic reactions. 
B) catabolic reactions. 
C) metabolic reactions. 
D) none of these

Question 8

To which family does this organic compound belong?

Accepted Answer

A) alcohol 
B) aldehyde 
C) ether 
D) ketone 
A) alcohol 
B) aldehyde 
C) ether 
D) ketone

Question 9

Identify the functional groups in the following compound.

Accepted Answer

A) alcohol 
B) alcohol and aldehyde 
C) alcohol and ketone 
D) aldehyde and hydroxide 
A) alcohol 
B) alcohol and aldehyde 
C) alcohol and ketone 
D) aldehyde and hydroxide

Question 10

To which family does this organic compound belong?

Accepted Answer

A) amide 
B) amine 
C) carboxylic acid 
D) ester 
A) amide 
B) amine 
C) carboxylic acid 
D) ester

Question 11

Which structures represent the same dibromobenzene compound?

Accepted Answer

A) I and IV 
B) II and III 
C) I,II,and III 
D) All structures are identical. 
A) I and IV 
B) II and III 
C) I,II,and III 
D) All structures are identical.

Question 12

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 13

In water,which form of glucose predominates?

Accepted Answer

A) cyclic α 
B) cyclic β 
C) open chain 
D) All three are equal in solution. 
A) cyclic α 
B) cyclic β 
C) open chain 
D) All three are equal in solution.

Question 14

The C-Br bond in CH3Br is a ________ (nonpolar,polar)covalent bond with a ________ (δ+,δ-)charge on the carbon atom and a ________ (δ+,δ-)charge on the bromine atom.

Accepted Answer

Question 15

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

Accepted Answer

A) CH3CO2H and CH3OH 
B) CH3CH2CO2H and CH3OH 
C) CH3CO2H and CH3CH2OH 
D) CH3CH2CO2H and CH3CH2OH 
A) CH3CO2H and CH3OH 
B) CH3CH2CO2H and CH3OH 
C) CH3CO2H and CH3CH2OH 
D) CH3CH2CO2H and CH3CH2OH

Question 16

Which is an amino acid polar neutral side chain?

Accepted Answer

A) -CH3 
B) -CH2OH 
C) -CH2CO2H 
D) -CH2CH2CH2CH2NH2 
A) -CH3 
B) -CH2OH 
C) -CH2CO2H 
D) -CH2CH2CH2CH2NH2

Question 17

The molecule H2NCH2CH2CH2OH contains an ________ functional group and an ________ functional group.

Accepted Answer

Question 18

Shown are ball-and-stick (1)and space-filling (2)models of ethylene.  
-What is the H-C-H bond angle?

Accepted Answer

A) 90° 
B) 109.5° 
C) 120° 
D) 180° 
A) 90° 
B) 109.5° 
C) 120° 
D) 180°

Question 19

Approximately what mass percent of a body's dry weight consists of proteins?

Accepted Answer

A) 5% 
B) 25% 
C) 50% 
D) 72% 
A) 5% 
B) 25% 
C) 50% 
D) 72%

Question 20

The base sequences in mRNA that code for particular amino acids are Trp: UGG,Phe: UUU,and Glu: GAA.What is the peptide that is produced from the DNA sequence: CTTACCAAA?

Accepted Answer

A) Glu-Phe-Trp 
B) Glu-Trp-Phe 
C) Phe-Trp-Glu 
D) Trp-Glu-Phe 
A) Glu-Phe-Trp 
B) Glu-Trp-Phe 
C) Phe-Trp-Glu 
D) Trp-Glu-Phe

Exam 23: Organic and Biological Chemistry

What is the IUPAC name for the continuous carbon chain of C10H22?

Identify the amino acid shown below.

In the protein,His- Tyr- Val- Pro,which amino acid contains the N-terminal group?

When alkanes react with chlorine in the presence of ultraviolet light,chlorine atoms substitute for one or more alkane hydrogen atoms.What is the number of different chloroalkane compounds that can be formed by the reaction of C2H6 with chlorine?

None of the listed compounds contains a ring.Which has at least one triply-bonded carbon atom?

All of the fatty acids below contain eighteen carbons and range from saturated to three double bonds.Which has the highest melting point?

The reactions that generally release energy that is used to power living organisms are called

To which family does this organic compound belong?

Identify the functional groups in the following compound.

To which family does this organic compound belong?

Which structures represent the same dibromobenzene compound?

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

In water,which form of glucose predominates?

The C-Br bond in CH3Br is a ________ (nonpolar,polar)covalent bond with a ________ (δ+,δ-)charge on the carbon atom and a ________ (δ+,δ-)charge on the bromine atom.

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

Which is an amino acid polar neutral side chain?

The molecule H2NCH2CH2CH2OH contains an ________ functional group and an ________ functional group.

Shown are ball-and-stick (1)and space-filling (2)models of ethylene. -What is the H-C-H bond angle?

Approximately what mass percent of a body's dry weight consists of proteins?

The base sequences in mRNA that code for particular amino acids are Trp: UGG,Phe: UUU,and Glu: GAA.What is the peptide that is produced from the DNA sequence: CTTACCAAA?

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

What is the IUPAC name for the continuous carbon chain of C₁₀H₂₂?

When alkanes react with chlorine in the presence of ultraviolet light,chlorine atoms substitute for one or more alkane hydrogen atoms.What is the number of different chloroalkane compounds that can be formed by the reaction of C₂H₆ with chlorine?

The C-Br bond in CH₃Br is a (nonpolar,polar)covalent bond with a (δ+,δ-)charge on the carbon atom and a (δ+,δ-)charge on the bromine atom.

The molecule H₂NCH₂CH₂CH₂OH contains an functional group and an functional group.