Question 1

The hydrolysis of an ester in the presence of a base is called .

Accepted Answer

saponification

Question 2

What general class of compounds is also known as olefins ?

Accepted Answer

A)  alkenes 
B)  ketones 
C)  alkanes 
D)  alkynes 
E)  aromatics 
A)  alkenes 
B)  ketones 
C)  alkanes 
D)  alkynes 
E)  aromatics A

Question 3

Which one of the following molecules is chiral?

Accepted Answer

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

Question 4

The overall polarity of organic molecules is high.

Accepted Answer

A) True 
 B)False

Question 5

Which one of the following could be a cyclic alkane?

Accepted Answer

A)  C2H6  
B)  C9H20  
C)  C3H6  
D)  C5H5  
E)  C4H6 
A)  C2H6  
B)  C9H20  
C)  C3H6  
D)  C5H5  
E)  C4H6

Question 6

Carboxylic acids can be formed by oxidation of _.

Accepted Answer

A)  primary alcohols 
B)  alkenes 
C)  ketones 
D)  benzene 
E)  alkynes 
A)  primary alcohols 
B)  alkenes 
C)  ketones 
D)  benzene 
E)  alkynes

Question 7

What is the name of the compound below?

Accepted Answer

The answer of What is the name of the compound...

Question 8

Alkenes always contain a _ .

Accepted Answer

A)  C- C bond 
B)  C=C bond 
C)  C≡H bond 
D)  C=H bond 
E)  C≡C bond 
A)  C- C bond 
B)  C=C bond 
C)  C≡H bond 
D)  C=H bond 
E)  C≡C bond

Question 9

The melting and boiling points of hydrocarbons are determined by .

Accepted Answer

A)  London forces 
B)  dipole- dipole attraction 
C)  ionic bonding 
D)  hydrogen bonding 
E)  ion- dipole attraction 
A)  London forces 
B)  dipole- dipole attraction 
C)  ionic bonding 
D)  hydrogen bonding 
E)  ion- dipole attraction

Question 10

What is the general formula for a ketone?

Accepted Answer

A)  R-OH 
B)  R-O-R 
C)  R-CO-OH 
D)  R- CO- R' 
E)  R-CHO 
A)  R-OH 
B)  R-O-R 
C)  R-CO-OH 
D)  R- CO- R' 
E)  R-CHO

Question 11

What is the name of the compound CH3CH2CH(OH)CH2CH2CH3?

Accepted Answer

Question 12

Starch, glycogen, and cellulose are made of repeating units of .

Accepted Answer

A)  glucose 
B)  fructose 
C)  sucrose 
D)  amino acids 
E)  lactose 
A)  glucose 
B)  fructose 
C)  sucrose 
D)  amino acids 
E)  lactose

Question 13

Consider the following statements about alcohols:
(i) Alcohols contain a polar O- H bond and hence mix well with polar solvents like water.
(ii) Alcohols form hydrogen bonds with water.
(iii) Alcohols have a higher boiling point compared to hydrocarbons with the same number of carbon atoms.
(iv) For the most part, alcohols are toxic. 
Which statement(s) is(are) true?

Accepted Answer

A)  none 
B)  (i) and (ii) 
C)  (iii) only 
D)  (i), (ii), and (iv) 
E)  all 
A)  none 
B)  (i) and (ii) 
C)  (iii) only 
D)  (i), (ii), and (iv) 
E)  all

Question 14

The rate law for the addition of a halogen to an alkene is first order.

Accepted Answer

A) True 
 B)False

Question 15

How many isomers are possible for C5H12?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  10 
A)  1 
B)  2 
C)  3 
D)  4 
E)  10

Question 16

Racemic mixtures of enantiomers do not rotate polarized light.

Accepted Answer

A) True 
 B)False

Question 17

How many chiral carbon atoms does the neopentane (2, 2 - dimethylpropane) have?

Accepted Answer

A)  0 
B)  1 
C)  2 
D)  3 
E)  4 
A)  0 
B)  1 
C)  2 
D)  3 
E)  4

Question 18

Which of the following compounds do not contain an sp3 hybridized oxygen atom?

Accepted Answer

A)  alcohols 
B)  ethers 
C)  water 
D)  esters 
E)  ketones 
A)  alcohols 
B)  ethers 
C)  water 
D)  esters 
E)  ketones

Question 19

acts as a kind of energy bank in the body, and is found concentrated in muscles and liver.

Accepted Answer

A)  Lactose 
B)  Glycogen 
C)  Starch 
D)  Sucrose 
E)  Cellulose 
A)  Lactose 
B)  Glycogen 
C)  Starch 
D)  Sucrose 
E)  Cellulose

Question 20

Which structure below represents an aldehyde?

Accepted Answer

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

Exam 25: The Chemistry of Life: Organic and Biological Chemistry

The hydrolysis of an ester in the presence of a base is called .

What general class of compounds is also known as olefins ?

Which one of the following molecules is chiral?

The overall polarity of organic molecules is high.

Which one of the following could be a cyclic alkane?

Carboxylic acids can be formed by oxidation of _.

What is the name of the compound below?

Alkenes always contain a _ .

The melting and boiling points of hydrocarbons are determined by .

What is the general formula for a ketone?

What is the name of the compound CH3CH2CH(OH)CH2CH2CH3?

Starch, glycogen, and cellulose are made of repeating units of .

The rate law for the addition of a halogen to an alkene is first order.

How many isomers are possible for C5H12?

Racemic mixtures of enantiomers do not rotate polarized light.

How many chiral carbon atoms does the neopentane (2, 2 - dimethylpropane) have?

Which of the following compounds do not contain an sp3 hybridized oxygen atom?

acts as a kind of energy bank in the body, and is found concentrated in muscles and liver.

Which structure below represents an aldehyde?

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Gases

Intermolecular Forces, Liquids, and Solids

Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Chemistry of Coordination Compounds

Filters

What is the name of the compound CH₃CH₂CH(OH)CH₂CH₂CH₃?

How many isomers are possible for C₅H₁₂?

Which of the following compounds do not contain an sp³hybridized oxygen atom?