Question 1

Alkanes have only C-C single bonds and no functional group.

Accepted Answer

A) True 
 B)False

Question 2

The net dipole in CH3CHO is shown as indicated below.

Accepted Answer

A) True 
 B)False

Question 3

What is the shape about the O atoms in the environmental toxin dioxin,shown below?

Accepted Answer

A) Tetrahedral 
B) Bent 
C) Trigonal planar 
D) Trigonal pyramidal 
E) Linear 
A) Tetrahedral 
B) Bent 
C) Trigonal planar 
D) Trigonal pyramidal 
E) Linear

Question 4

According to the common bonding patters for atoms,halogen atoms typically have ________ lone pairs of electrons when they are bonded in organic compounds.

Accepted Answer

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

Question 5

How many total H atoms are present in the structure shown below?

Accepted Answer

A) 30 H atoms 
B) 13 H atoms 
C) 24 H atoms 
D) 28 H atoms 
A) 30 H atoms 
B) 13 H atoms 
C) 24 H atoms 
D) 28 H atoms

Question 6

The compound whose skeletal structure is shown below is used medicinally to treat fibromyalgia pain. Which statement is NOT a valid interpretation of its skeletal structure?

Accepted Answer

A) The compound contains 8 carbon atoms. 
B) The compound contains 17 hydrogen atoms. 
C) The compound contains 3 heteroatoms. 
D) The compound contains 12 C-H bonds. 
A) The compound contains 8 carbon atoms. 
B) The compound contains 17 hydrogen atoms. 
C) The compound contains 3 heteroatoms. 
D) The compound contains 12 C-H bonds.

Question 7

The two structures shown below represent the same compound.

Accepted Answer

A) True 
 B)False

Question 8

The compound below is classified as what type of compound?

Accepted Answer

A) Aldehyde 
B) Carboxylic acid 
C) Ether 
D) Ester 
E) Ketone 
A) Aldehyde 
B) Carboxylic acid 
C) Ether 
D) Ester 
E) Ketone

Question 9

The compound below is a nonpolar molecule.

Accepted Answer

A) True 
 B)False

Question 10

Which structure has all of the hydrogen atoms correctly added to the compound shown below?

Accepted Answer

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

Question 11

Which compound has the highest boiling point?

Accepted Answer

A) HOCH2CH2OH 
B) CH3NHCH2CH3 
C) CH3CO2CH2CH3 
D) NaCH3COO 
A) HOCH2CH2OH 
B) CH3NHCH2CH3 
C) CH3CO2CH2CH3 
D) NaCH3COO

Question 12

Which compound is most flammable?

Accepted Answer

A) HOCH2CH2OH 
B) NaCl 
C) CO2 
D) HCl 
A) HOCH2CH2OH 
B) NaCl 
C) CO2 
D) HCl

Question 13

Organic compounds are produced only by living systems,and cannot be synthesized in the laboratory.

Accepted Answer

A) True 
 B)False

Question 14

How many lone pairs of electrons are present but not shown in the molecule below?

Accepted Answer

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

Question 15

What is the correct bond angle for the bond indicated in the following structure?

Accepted Answer

A) 109.5º 
B) 180º 
C) 120º 
D) 90º 
E) 60º 
A) 109.5º 
B) 180º 
C) 120º 
D) 90º 
E) 60º

Question 16

VSEPR theory is based on the concept that the most stable arrangement of atoms in a molecule keeps the atoms and lone pair electrons as far away from each other as possible.

Accepted Answer

A) True 
 B)False

Question 17

In order to complete the structure below,________ H atom(s)and ________ lone pair(s)of electrons must be added.

Accepted Answer

nine (9)an

Question 18

The molecule below is an example of a/an ________.

Accepted Answer

The answer of The molecule below is an example of...

Question 19

The molecule with the condensed formula (CH3)2CHCH2CHO can be represented as the skeletal structure below.

Accepted Answer

A) True 
 B)False

Question 20

How many hydrogen atoms are bonded to the labeled carbons in the structure below?

Accepted Answer

A) C1 has 2 hydrogens and C2 has 2 hydrogens. 
B) C1 has 1 hydrogen and C2 has 3 hydrogens. 
C) C1 has 2 hydrogens and C2 has 1 hydrogen. 
D) C1 has 1 hydrogen and C2 has 1 hydrogen. 
A) C1 has 2 hydrogens and C2 has 2 hydrogens. 
B) C1 has 1 hydrogen and C2 has 3 hydrogens. 
C) C1 has 2 hydrogens and C2 has 1 hydrogen. 
D) C1 has 1 hydrogen and C2 has 1 hydrogen.

Exam 11: Introduction to Organic Molecules and Functional Groups

Alkanes have only C-C single bonds and no functional group.

The net dipole in CH3CHO is shown as indicated below.

What is the shape about the O atoms in the environmental toxin dioxin,shown below?

According to the common bonding patters for atoms,halogen atoms typically have ________ lone pairs of electrons when they are bonded in organic compounds.

How many total H atoms are present in the structure shown below?

The compound whose skeletal structure is shown below is used medicinally to treat fibromyalgia pain. Which statement is NOT a valid interpretation of its skeletal structure?

The two structures shown below represent the same compound.

The compound below is classified as what type of compound?

The compound below is a nonpolar molecule.

Which structure has all of the hydrogen atoms correctly added to the compound shown below?

Which compound has the highest boiling point?

Which compound is most flammable?

Organic compounds are produced only by living systems,and cannot be synthesized in the laboratory.

How many lone pairs of electrons are present but not shown in the molecule below?

What is the correct bond angle for the bond indicated in the following structure?

VSEPR theory is based on the concept that the most stable arrangement of atoms in a molecule keeps the atoms and lone pair electrons as far away from each other as possible.

In order to complete the structure below,________ H atom(s)and ________ lone pair(s)of electrons must be added.

The molecule below is an example of a/an ________.

The molecule with the condensed formula (CH3)2CHCH2CHO can be represented as the skeletal structure below.

How many hydrogen atoms are bonded to the labeled carbons in the structure below?

Matter and Measurement

Atoms and the Periodic Table

Ionic Compounds

Covalent Compounds

Chemical Reactions

Energy Changes,reaction Rates,and Equilibrium

Gases,liquids,and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Alkanes

Unsaturated Hydrocarbons

Organic Compounds That Contain Oxygen,halogen,or Sulfur

The Three-Dimensional Shape of Molecules

Aldehydes and Ketones

Carboxylic Acids,esters,and Amides

Amines and Neurotransmitters

Lipids

Carbohydrates

Amino Acids,proteins,and Enzymes

Nucleic Acids and Protein Synthesis

Metabolism and Energy Production

Carbohydrate,lipid,and Protein Metabolism

Filters

The net dipole in CH₃CHO is shown as indicated below.

In order to complete the structure below, H atom(s)and lone pair(s)of electrons must be added.

The molecule with the condensed formula (CH₃)₂CHCH₂CHO can be represented as the skeletal structure below.