Question 1

The IUPAC name for the alkane shown below is ________.
CH3
|
CH3CHCH2CH2CH2CH3

Accepted Answer

Question 2

An individual amino acid that makes up a protein polymer is called a ________.

Accepted Answer

A) backbone, 
B) peptide. 
C) residue. 
D) substrate. 
A) backbone, 
B) peptide. 
C) residue. 
D) substrate.

Question 3

The one cyclic amine base that occurs in DNA but not in RNA is ________.

Accepted Answer

A) cystine 
B) guanine 
C) thymine 
D) uracil 
A) cystine 
B) guanine 
C) thymine 
D) uracil

Question 4

Peptide bonds that link amino acids together in proteins contain the ________ functional group.

Accepted Answer

A) amine 
B) amide 
C) ester 
D) ketone 
A) amine 
B) amide 
C) ester 
D) ketone

Question 5

If the point of attachment to an alkane is by the middle carbon in a propyl group,the group is called

Accepted Answer

A) isopropyl. 
B) n-propyl. 
C) sec-propyl. 
D) tert-propyl. 
A) isopropyl. 
B) n-propyl. 
C) sec-propyl. 
D) tert-propyl.

Question 6

Reaction sequences that break molecules apart are known as ________,while reaction sequences in which larger molecules are created are known as ________.

Accepted Answer

catabolism

Question 7

The names of compounds with carbon-carbon double bonds contain the suffix ________.

Accepted Answer

A) -ane 
B) -ene 
C) -yne 
D) -one 
A) -ane 
B) -ene 
C) -yne 
D) -one

Question 8

Which one of the amino acids contains a double ring structure?

Accepted Answer

A) phenylalanine 
B) proline 
C) tryptophan 
D) tyrosine 
A) phenylalanine 
B) proline 
C) tryptophan 
D) tyrosine

Question 9

Which of the following is not a geometric (cis-trans)isomer?

Accepted Answer

A) 1,1-dichloro-1-butene 
B) 1,2-dichloro-1-butene 
C) 2-butene 
D) 2-chloro-2-butene 
A) 1,1-dichloro-1-butene 
B) 1,2-dichloro-1-butene 
C) 2-butene 
D) 2-chloro-2-butene

Question 10

What is the name of the product formed by the reaction of propanoic acid with ethanol?

Accepted Answer

A) ethyl propanoate 
B) pentanone 
C) pentyl ester 
D) ethylpropylketone 
A) ethyl propanoate 
B) pentanone 
C) pentyl ester 
D) ethylpropylketone

Question 11

How many geometrical and structural isomers are there of butene?

Accepted Answer

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

Question 12

-Which of the compounds shown above is correctly identified by the name 3-Methylbutane?

Accepted Answer

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

Question 13

Identify the functional groups in the following compound.

Accepted Answer

A) alcohol and ketone 
B) alcohol,amine,and ketone 
C) amine and carboxylic acid 
D) amine,hydroxide,and ketone 
A) alcohol and ketone 
B) alcohol,amine,and ketone 
C) amine and carboxylic acid 
D) amine,hydroxide,and ketone

Question 14

Which of the following compounds is most soluble in water?

Accepted Answer

A) decanol 
B) dimethyl ether 
C) ethane 
D) ethanol 
A) decanol 
B) dimethyl ether 
C) ethane 
D) ethanol

Question 15

Identify the amino acid shown below.

Accepted Answer

A) Methionine (Met) 
B) Phenylalanine (Phe) 
C) Proline (Pro) 
D) Tryptophan (Trp) 
A) Methionine (Met) 
B) Phenylalanine (Phe) 
C) Proline (Pro) 
D) Tryptophan (Trp)

Question 16

What is the empirical and molecular formulas of 1-tert-butyl-2-methylcyclopropane?

Accepted Answer

The answer of What is the empirical and molecular formulas...

Question 17

The combustion of methane has a standard enthalpy of combustion H° = -802 kJ per mole of methane burned.How many kilojoules of heat are released if 1.28 grams of oxygen are consumed in the reaction?

Accepted Answer

The answer of The combustion of methane has a standard...

Question 18

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 19

Which of the following statements about amines is not correct? Amines are

Accepted Answer

A) bases (proton acceptors). 
B) converted to ammonium salts by reaction with HCl. 
C) organic derivatives of ammonia. 
D) very water soluble. 
A) bases (proton acceptors). 
B) converted to ammonium salts by reaction with HCl. 
C) organic derivatives of ammonia. 
D) very water soluble.

Question 20

Do the condensed structures shown below represent the same or different molecules?
(1)CH3CH2CH2CH2CH(CH3)2
(2)CH3
|
CH3CHCH2CH2CH2CH3

Accepted Answer

Condensed structures

Exam 23: Organic and Biological Chemistry

The IUPAC name for the alkane shown below is ________. CH3 | CH3CHCH2CH2CH2CH3

An individual amino acid that makes up a protein polymer is called a ________.

The one cyclic amine base that occurs in DNA but not in RNA is ________.

Peptide bonds that link amino acids together in proteins contain the ________ functional group.

If the point of attachment to an alkane is by the middle carbon in a propyl group,the group is called

Reaction sequences that break molecules apart are known as ________,while reaction sequences in which larger molecules are created are known as ________.

The names of compounds with carbon-carbon double bonds contain the suffix ________.

Which one of the amino acids contains a double ring structure?

Which of the following is not a geometric (cis-trans)isomer?

What is the name of the product formed by the reaction of propanoic acid with ethanol?

How many geometrical and structural isomers are there of butene?

-Which of the compounds shown above is correctly identified by the name 3-Methylbutane?

Identify the functional groups in the following compound.

Which of the following compounds is most soluble in water?

Identify the amino acid shown below.

What is the empirical and molecular formulas of 1-tert-butyl-2-methylcyclopropane?

The combustion of methane has a standard enthalpy of combustion H° = -802 kJ per mole of methane burned.How many kilojoules of heat are released if 1.28 grams of oxygen are consumed in the reaction?

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

Which of the following statements about amines is not correct? Amines are

Do the condensed structures shown below represent the same or different molecules? (1)CH3CH2CH2CH2CH(CH3)2 (2)CH3 | CH3CHCH2CH2CH2CH3

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 IUPAC name for the alkane shown below is ________. CH₃ | CH₃CHCH₂CH₂CH₂CH₃

Reaction sequences that break molecules apart are known as ,while reaction sequences in which larger molecules are created are known as .

Do the condensed structures shown below represent the same or different molecules? (1)CH₃CH₂CH₂CH₂CH(CH₃)₂ (2)CH₃ | CH₃CHCH₂CH₂CH₂CH₃