Deck 1: Carbon and Its Compounds

Question 1

What best represents the C-C bond in C₂H₆?

A)s-sp3 orbital overlap
B)sp3-sp3 orbital overlap
C)s-s orbital overlap
D)p-p orbital overlap

Answer 1

sp3-sp3 orbital overlap

Question 2

Figure 2
The following questions refer to the structure of heroin (shown below).
Referring to Figure 2,what is the hybridization of the carbon atom at II?

A)p
B)sp
C)sp²
D)sp³

Answer 2

sp³

Question 3

Figure 2
The following questions refer to the structure of heroin (shown below).
Referring to Figure 2,what is the geometry of the carbon atom shown at II?

A)bent
B)trigonal planar
C)tetrahedral
D)trigonal pyramidal

Answer 3

tetrahedral

Question 4

Figure 1
Referring to Figure 1,what is the formal charge of the oxygen atom at I?

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

Question 5

Which element or ion has the following electron configuration: 1s²2s²2p⁶3s²3s⁴?

A)S
B)O
C)Ar
D)Si

Question 6

How many bonded and non-bonded electrons does a molecule with no formal charges and the formula C₂H₄O₂ contain?

A)4 bonded,4 non-bonded
B)7 bonded.4 non-bonded
C)7 bonded,5 non-bonded
D)4 bonded,7 non-bonded

Question 7

How many valence electrons does a nitrogen atom contain?

A)2
B)3
C)5
D)7

Question 8

How many orientations exist for a p orbital?

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

Question 9

Figure 1
Referring to Figure 1,what is the formal charge of the oxygen atom at II?

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

Question 10

Figure 2
The following questions refer to the structure of heroin (shown below).
Referring to Figure 2,what is the geometry of the carbon atom shown at I?

A)bent
B)trigonal planar
C)tetrahedral
D)trigonal pyramidal

Question 11

How many valence electrons does an O^2- ion contain?

A)2
B)6
C)8
D)10

Question 12

Which of the following represents the ground state electron configuration for a O^2- ion?

A)1s²2s²2p⁴
B)1s²2s²2p²
C)1s²2s²2p⁶
D)2s²2p⁴

Question 13

Figure 2
The following questions refer to the structure of heroin (shown below).
Referring to Figure 2,what is the hybridization of the nitrogen atom?

A)p
B)sp
C)sp²
D)sp³

Question 14

What is the Lewis structure of a compound that has the formula of CCl₃ and contains 24 valence electrons?

A)
B)
C)
D)

Question 15

How many orientations exist for a s orbital?

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

Question 16

How many orientations exist for an sp orbital?

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

Question 17

Figure 1
Referring to Figure 1,what is the formal charge of the oxygen atom at III?

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

Question 18

Figure 2
The following questions refer to the structure of heroin (shown below).
Referring to Figure 2,what is the hybridization of the carbon atom at I?

A)p
B)sp
C)sp²
D)sp³

Question 19

What best represents a C-H bond in CH₄?

A)s-sp3 orbital overlap
B)sp3-sp3 orbital overlap
C)s-s orbital overlap
D)p-p orbital overlap

Question 20

How many orientations exist for a sp³ orbital?

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

Question 21

Figure 3
The following questions refer to the molecule drawn below.
Referring to Figure 3,what is the orbital geometry of the carbon atom at I?

A)trigonal planar
B)trigonal pyramidal
C)tetrahedral
D)trigonal bipyramidal

Question 22

Which of the following best describes a ð orbital?

A)It is a bonding orbital with zero nodes.
B)It is an anti-bonding orbital with zero nodes.
C)It is a bonding orbital with one node.
D)It is an anti-bonding orbital with one node.

Question 23

How many hydrogens does the following line structure contain?

A)1
B)10
C)19
D)26

Question 24

Which of the labelled carbons in the molecule shown below is the most electron rich?

A)I
B)II
C)III
D)IV

Question 25

Figure 3
The following questions refer to the molecule drawn below.
Referring to Figure 3,how many sp² atoms are contained in the molecule shown?

A)6
B)7
C)8
D)9

Question 26

What best describes a wedged bond?

A)It looks like and represents going into the page.
B)It looks like and represents going out of the page.
C)It looks like and represents going into the page.
D)It looks like

Question 27

What best represents the hydroxyl group in the molecule shown below?

A)It is sp hybridized and pointed out of the page.
B)It is sp hybridized and pointed into the page.
C)It is sp³ hybridized and pointed out of the page.
D)It is sp³ hybridized and pointed into the page.

Question 28

How many bonds does oxygen make while remaining neutral?

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

Question 29

Figure 3
The following questions refer to the molecule drawn below.
Referring to Figure 3,how many sp³ atoms are contained in the molecule shown?

A)9
B)10
C)11
D)12

Question 30

What can be said about the carbon atom at I?

A)It is sp² hybridized and pointed out of the page.
B)It is sp² hybridized and pointed into the page.
C)It is sp³ hybridized and pointed out of the page.
D)It is sp³ hybridized and pointed into the page.

Question 31

Figure 3
The following questions refer to the molecule drawn below.
Referring to Figure 3,how many hydrogen atoms are contained in the molecule shown?

A)16
B)19
C)21
D)26

Question 32

Figure 3
The following questions refer to the molecule drawn below.
Referring to Figure 3,what is the orbital geometry of the carbon atom at II?

A)trigonal planar
B)trigonal pyramidal
C)tetrahedral
D)trigonal bipyramidal

Question 33

What are the orbital angles around an sp² hybridized atom?

A)180º
B)120º
C)109.5º
D)90º

Question 34

Which of the following molecules is represented in condensed structure?

A)
B)
C)CH₃CH₂COCH₃
D)

Question 35

What is the geometry around an sp hybridized carbon?

A)linear
B)trigonal planar
C)tetrahedral
D)trigonal pyramidal

Question 36

Figure 3
The following questions refer to the molecule drawn below.
Referring to Figure 3,what is the hybridization of the carbon atom at II?

A)s
B)sp
C)sp²
D)sp³

Question 37

Figure 3
The following questions refer to the molecule drawn below.
Referring to Figure 3,what is the hybridization of the carbon atom at I?

A)s
B)sp
C)sp²
D)sp³

Question 38

Which of the following best describes a ó* orbital?

A)It is a bonding orbital with zero nodes.
B)It is an anti-bonding orbital with zero nodes.
C)It is a bonding orbital with one node.
D)It is an anti-bonding orbital with one node.

Question 39

Figure 3
The following questions refer to the molecule drawn below.
Referring to Figure 3,what best represents the hydroxyl group?

A)It is sp hybridized and pointed out of the page.
B)It is sp hybridized and pointed into the page.
C)It is sp³ hybridized and pointed out of the page.
D)It is sp³ hybridized and pointed into the page.

Question 40

What is the geometry around an sp² hybridized carbon?

A)linear
B)trigonal planar
C)tetrahedral
D)trigonal pyramidal

Question 41

Electrons in ó bonds can be delocalized.

Question 42

Which of the labelled carbons in the molecule shown below is the most electron deficient?

A)I
B)II
C)III
D)IV

Question 43

A carbanion contains a carbon atom with a formal negative charge.

Question 44

Carbocations break the octet rule.

Question 45

In a O-H bond,the electron density is skewed towards the hydrogen atom.

Question 46

sp³ hybridization is the merging of an s orbital with two p orbitals.

Question 47

A carbon atom with two ð bonds and two ó bonds is sp² hybridized.

Question 48

Electronegativity is used to determine the polarity of a bond.

Question 49

ó* represents an anti-bonding molecular orbital.

Question 50

Which of the following structures is NOT breaking the octet rule?

A)BF₃
B)CCl₃⁺
C)H₃O⁺
D)PO₄^3-

Question 51

To form a ó bond,two atomic orbitals overlap to form a single molecular orbital.

Question 52

A ó molecular orbital contains out-of-phase overlap of atomic orbitals.

Question 53

According to molecular orbital theory,all bonds contain a bonding and an anti-bonding orbital.

Question 54

Only filled molecular orbitals contribute to bonding.

Question 55

Anti-bonding orbitals are lower in energy than bonding orbitals.

Question 56

Resonance structures contain delocalized electrons.

Question 57

An sp³ hybridized atom has a tetrahedral geometry.

Question 58

An sp² hybridized atom has a trigonal pyramidal geometry.

Question 59

Which of the labelled carbons in the molecule shown below is the most electron rich and which is the most electron deficient?

A)I is the most electron rich;II is the most electron deficient.
B)II is the most electron rich;I is the most electron deficient.
C)I is the most electron rich;III is the most electron deficient.
D)III is the most electron rich;I is the most electron deficient.

Question 60

The resonance hybrid is the most stable resonance form of a compound.

Question 61

Overlap of p orbitals is known as a _______________ bond.

Question 62

The two ð bonds in an triple bond are 180º from each other.

Question 63

A triple bond contains three ð bonds.

Question 64

An sp hybridized carbon has an orbital geometry of _______________ .

Question 65

Hybridized orbitals are capable of resonance.

Question 66

Empty p orbitals are incapable of contributing to resonance structures.

Question 67

Triple bonds are not capable of contributing to resonance.

Question 68

Assign non-zero formal charges to the following molecule.

Question 69

Anti-bonding orbitals involve out of plane overlap of atomic orbitals

Question 70

A Nitrogen atom with four ó bonds has a _______________ formal charge.

Question 71

Assign non-zero formal charges and the hybridization to all atoms that are not hydrogen in the following molecule.

Question 72

A carbocation with three ó bonds is _______________ hybridized.

Question 73

Only carbon atoms can hybridize.

Question 74

Resonance requires atoms with neighbouring aligned p orbitals.

Question 75

Electrons shared among atoms are said to be _______________ .

Question 76

An sp² hybridized carbon has an orbital geometry of _______________ .

Question 77

A carbocation with three ó bonds has a _______________ geometry.

Question 78

A carbon atom with two ð bonds and two ó bonds is _______________ hybridized.

Question 79

An sp hybridized atom has a _______________ angle between each electron group.

Question 80

The combined form of all resonance structures is referred to as the_______________.