Deck 2: Molecular Representations

Question 1

In the following reaction,how many H's do you add or lose?

A)Add 1
B)Add 2
C)Lose 1
D)No change

Answer 1

No change

Question 2

In the following reaction,how many H's do you add or lose?

A)Add 1
B)Add 2
C)Lose 1
D)Lose 2

Answer 2

Lose 2

Question 3

In the following reaction,how many H's do you add or lose?

A)Add 1
B)Add 2
C)Lose 1
D)No change

Answer 3

No change

Question 4

Draw a valid Lewis structure for the following compound.H₃CCOH

Question 5

In the following reaction,how many H's do you add or lose?

A)Add 1
B)Add 2
C)Lose 1
D)No change

Question 6

What is the molecular formula for the following structure?

A)C₂H₆O
B)C₄H₆O
C)C₄H₁₀O
D)C₂H₄O

Question 7

Which of the following bond-line structures are of the same compound?

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

Question 8

Draw a valid Lewis structure for the following compound.H₃CSOCH₃

Question 9

Which of the following bond-line structures are of the same compound?

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

Question 10

In the following reaction,how many H's do you add or lose?

A)Add 1
B)Add 2
C)Lose 1
D)Lose 2
E)No change

Question 11

Which of the following is the correct Lewis structure for CH₃CH₂CH₂NH₂?

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

Question 12

Which of the following is the correct molecular formula for (CH₃)₄C?

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

Question 13

Which of the following is a valid Lewis structure for a compound with the molecular formula of C₄H₁₁N?

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

Question 14

In the following reaction,how many H's do you add or lose?

A)Add 1
B)Add 2
C)Lose 1
D)Lose 2
E)No change

Question 15

Which of the following is the correct Lewis structure for the following structure?

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

Question 16

Draw the bond-line structure for (CH₃)₄C?

Question 17

Draw a valid Lewis structure for the following compound.

Question 18

Which of the following is the correct bond-line structure for (CH₃)₄C?

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

Question 19

Which of the following is the correct condensed structure for the following structure?

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

Question 20

Which of the following structures is of a compound with a molecular formula of C₂H₆O?

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

Question 21

Draw bond-line structure for all of the isomers with a molecular formula of C₃H₈O.

Question 22

Draw bond-line structure for all of the isomers with a molecular formula of C₂H₄O.

Question 23

How many H's are on the indicated carbon?

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

Question 24

Convert (CH₃CH₂CH₂)₂ into a bond-line structure.

Question 25

Which of the following structures contains an amide?

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

Question 26

Which of the following structures contains an aromatic ring?

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

Question 27

Which of the following structures contains an alkyne?

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

Question 28

Which of the following structures contains a ketone?

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

Question 29

How many H's are on the indicated carbon?

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

Question 30

Which of the following structures contains an amine?

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

Question 31

How many H's are on the indicated carbon?

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

Question 32

Draw a line-bond structure for a compound with a molecular formula of C₅H₁₄ and one carbon with only one hydrogen attached to it.

Question 33

Draw a line-bond structure for a compound with a molecular formula of C₄H₁₂ and one carbon with no hydrogens attached to it.

Question 34

Draw the isomers with a molecular formula of C₄H₈O₂ and label the functional groups.

Question 35

Which of the following structures contains an alkene?

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

Question 36

How many H's are on the indicated carbon?

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

Question 37

Which of the following structures contains an alcohol?

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

Question 38

Draw all the isomers with a molecular formula of C₃H₆O and label all the functional groups.

Question 39

How many H's are on the indicated carbon?

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

Question 40

Which of the following structures contains a nitrile?

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

Question 41

Determine the number of lone pairs of electrons on the indicated atom.

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

Question 42

Calculate the formal charge on the indicated atom.

A)+1
B)+2
C)-1
D)0

Question 43

Calculate the formal charge on the indicated atom.

A)+1
B)+2
C)-1
D)-2

Question 44

Calculate the formal charge on the indicated atom.

A)+1
B)+2
C)-1
D)0

Question 45

Determine the number of lone pairs of electrons on the indicated atom.

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

Question 46

Identify the functional groups in the following compound.

Question 47

Determine the number of hydrogens on the indicated atom.

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

Question 48

Identify the functional groups in the following compound.

Question 49

Determine the number of lone pairs of electrons on the indicated atom.

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

Question 50

Determine the number of lone pairs of electrons on the indicated atom.

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

Question 51

Draw a valid Lewis structure,with all lone pairs and formal charges for the azide anion (N₃^-).

Question 52

Determine the number of lone pairs of electrons on the indicated atom.

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

Question 53

Determine the number of hydrogens on the indicated atom.

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

Question 54

Determine the formal charges on every atom in the following structure.

Question 55

Calculate the formal charge on the indicated atom.

A)+1
B)+2
C)-1
D)-2

Question 56

Determine the number of lone pairs of electrons on the indicated atom.

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

Question 57

Calculate the formal charge on the indicated atom.

A)+1
B)+2
C)-1
D)-2

Question 58

Calculate the formal charge on the indicated atom.

A)+1
B)+2
C)-1
D)-2

Question 59

Determine the number of hydrogens on the indicated atom.

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

Question 60

Determine the number of lone pairs of electrons on the indicated atom.

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

Question 61

Circle the atoms which are pointing up in the following compound.

Question 62

For the following compound,is the indicated bond up or down?

A)Up
B)Down
C)Neither

Question 63

Which of the following structures is a Haworth projection?

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

Question 64

In the following structure,the arrow indicates that electrons are moving to what atom?

A)C
B)O
C)H
D)N

Question 65

In the following structure,the arrow indicates that electrons are moving to what atom?

A)C
B)O
C)H
D)N

Question 66

Which of the following pairs of structures are resonance structures?

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

Question 67

For the following compound,is the indicated bond up or down?

A)Up
B)Down

Question 68

In the following structure,the arrow indicates that electrons are moving to what atom?

A)C
B)O
C)H
D)N

Question 69

For the following compound,is the indicated bond up or down?

A)Up
B)Down
C)Neither

Question 70

When do we use resonance structures?

Question 71

Which of the following structures is a Fischer projection?

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

Question 72

Draw in the appropriate arrows for the following resonance pairs.

Question 73

Which of the following pairs of structures are resonance structures?

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

Question 74

Which of the following structures is the same as structure A?

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

Question 75

Draw all of the lone pairs on the following compound.

Question 76

Draw in the appropriate arrows for the following resonance pairs.

Question 77

Draw all valid resonance structures for the following anion.

Question 78

Determine the number of lone pairs of electrons on the indicated atom.

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

Question 79

Draw all of the lone pairs on the following compound.

Question 80

Draw an example of a Fischer projection.