Deck 11: Introduction to Organic Molecules and Functional Groups

Question 1

Which structure has all of the hydrogens and lone pairs correctly added to the compound shown below?

A)
B)
C)
D)

Answer 1

Question 2

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

A)109.5º
B)180º
C)120º
D)90º
E)60º

Answer 2

180º

Question 3

Which of the following correctly describes the bond angles indicated in the structure below?

A)Angle 1 = 109.5°,Angle 2 = 109.5°,and Angle 3 = 180°
B)Angle 1 = 120°,Angle 2 = 120°,and Angle 3 = 180°
C)Angle 1 = 120°,Angle 2 = 120°,and Angle 3 = ~109.5°

Answer 3

Angle 1 = 120°,Angle 2 = 120°,and Angle 3 = ~109.5°

Question 4

Which formula represents an inorganic compound?

A)CH₄
B)C₂H₅OH
C)Br₂
D)C₄H₁₀

Question 5

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

A)
B)
C)
D)
E)The compound given is not missing any hydrogen atoms nor any lone pairs.

Question 6

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

A)109.5º
B)180º
C)120º
D)90º
E)60º

Question 7

What is the bond angle associated with a tetrahedral shape?

A)109.5º
B)180º
C)120º
D)90º
E)60º

Question 8

What is the most common multiple bond between carbon and a heteroatom?

A)A carbon-oxygen double bond (C=O)
B)A carbon-nitrogen double bond (C=N)
C)A carbon-nitrogen single bond (C-N)
D)A carbon-sulfur double bond (C=S)

Question 9

A carbon atom surrounded by two other atoms generally forms ________ triple bond(s)?

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

Question 10

Which formula represents an organic compound?

A)NaCl
B)BaSO₄
C)PH₃
D)C₄H₁₀

Question 11

What is the shape around the C (1)atom and around the O(2)atom in the structure of diethyl ether given below?

A)The shape around both C (1)and O (2)is tetrahedral.
B)The shape around C (1)is tetrahedral; the shape around O (2)is bent.
C)The shape around both C (1)and O (2)is bent.
D)The shape around C(1)is trigonal pyramidal; the shape around O (2)is linear.
E)The shape around both C(1)and O (2)is linear.

Question 12

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

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

Question 13

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

A)
B)
C)
D)

Question 14

What is the shape around each carbon atom in the structure shown below?

A)The shape around each carbon atom is tetrahedral.
B)The shape around each carbon atom is bent.
C)The shape around the left carbon atom is tetrahedral and bent around the right carbon atom.
D)The shape around the left carbon atom is trigonal planar and bent around the right carbon atom.
E)The shape around the left carbon atom is trigonal planar and linear around the right carbon atom.

Question 15

How many covalent bonds does carbon generally form in organic compounds?

A)2
B)3
C)4
D)8

Question 16

Which of the following correctly depicts the three-dimensional shape around each carbon in the structure below?

A)
B)
C)
D)

Question 17

Which element is not a common heteroatom in organic compounds?

A)N
B)Na
C)O
D)Cl
E)F

Question 18

According to the common bonding patters for atoms in organic compounds,oxygen atoms typically form ________ bond(s).

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

Question 19

What is the shape around the N (1)atom and around the C (2)atom in the structure of mepivacaine given below?

A)The shape around both N (1)and C (2)is tetrahedral.
B)The shape around both N (1)and C (2)is trigonal planar.
C)The shape around both N (1)and C (2)is trigonal pyramidal.
D)The shape around N(1)is trigonal pyramidal; the shape around C (2)is trigonal planar.
E)The shape around N(1)is trigonal planar; the shape around C (2)is trigonal pyramidal.

Question 20

A carbon atom surrounded by ________ other atom(s)generally forms one double bond?

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

Question 21

The functional group of which type of compound does not contain an oxygen atom?

A)Alcohol
B)Carboxylic acid
C)Ether
D)Alkyne
E)Ketone

Question 22

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

A)C1 has 2 hydrogens and C2 has 2 hydrogens.
B)C1 has 1 hydrogen and C2 has 0 hydrogens.
C)C1 has 2 hydrogens and C2 has 1 hydrogen.
D)C1 has 3 hydrogens and C2 has 1 hydrogen.

Question 23

Which compound is an ether?

A)
B)
C)
D)

Question 24

The molecule CH₃SH is what type of compound?

A)Ether
B)Thiol
C)Amine
D)Alkyl Halide
E)Alcohol

Question 25

Which skeletal structure represents the compound with the following condensed structure: (CH₃)₃CCH₂OH?

A)
B)
C)
D)

Question 26

Which represents a skeletal structure for a five carbon hydrocarbon?

A)
B)
C)
D)

Question 27

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

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.

Question 28

The functional group of which type of compound does not contain any multiple bonds?

A)Aldehyde
B)Alkene
C)Carboxylic acid
D)Alcohol
E)Aromatic

Question 29

Which structure is not possible?

A)
B)
C)
D)

Question 30

The compound below is classified as what type of compound?

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

Question 31

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

A)12 H atoms
B)18 H atoms
C)17 H atoms
D)19 H atoms

Question 32

Which compound is an aldehyde?

A)
B)
C)
D)

Question 33

The compound below is classified as what type of compound?

A)Alkyne
B)Alkane
C)Alkene
D)Aromatic hydrocarbon

Question 34

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

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

Question 35

Which represents a condensed structure for a four carbon hydrocarbon?

A)CH₃CH₂CH₂CH₃
B)C₄H₁₀
C)
D)

Question 36

Which compound is an alcohol?

A)
B)
C)
D)

Question 37

Which structure is not possible?

A)
B)
C)
D)

Question 38

Which compound is an amine?

A)
B)
C)
D)

Question 39

The functional group of which type of compound does not contain a carbonyl group?

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

Question 40

The compound below is classified as what type of compound?

A)Alkyne
B)Alkane
C)Alkene
D)Aromatic hydrocarbon

Question 41

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

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

Question 42

Which functional group is NOT present in the molecule below?

A)Carbonyl group
B)Amino group
C)Benzene ring
D)All of the functional groups mentioned appear in this molecule.

Question 43

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

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

Question 44

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

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

Question 45

What is the condensed formula for the molecule shown below?

A)
B)(CH₃)₄C
C)(CH₃)₂(CH₂)₂CH₃
D)CH₃CCH₃CH₃CH₃

Question 46

Which compound is an amide?

A)
B)
C)
D)

Question 47

Which formula represents an inorganic compound?

A)CH₃CO₂CH₂CH₃
B)CH₃NHCH₂CH₃
C)ClCCCl
D)CaCl₂

Question 48

The compound below is classified as what type of compound?

A)Ether
B)Amine
C)Amide
D)Aldehyde

Question 49

The functional group of which type of compound contains a carbonyl group?

A)Amide
B)Alcohol
C)Ether
D)Amine

Question 50

How many covalent bonds does nitrogen typically form in organic compounds?

A)1
B)3
C)5
D)8

Question 51

What is the correct molecular formula for the skeletal structure given below?

A)C₁₁H₁₆O₂
B)C₁₂H₁₂O₂
C)C₁₀H₁₂O₂
D)C₁₀H₁₅O₂

Question 52

Which representation has the bond polarities properly shown?

A)
B)
C)
D)

Question 53

Which compound is most flammable?

A)HOCH₂CH₂OH
B)NaCl
C)CO₂
D)HCl

Question 54

What are the bond angles in the structure shown below?

A)Angle 1 = 109.5°,Angle 2 = 109.5°,and Angle 3 = 109.5°
B)Angle 1 = 109.5°,Angle 2 = 120°,and Angle 3 = 120°
C)Angle 1 = 109.5°,Angle 2 = 90°,and Angle 3 = ~109.5°
D)Angle 1 = 109.5°,Angle 2 = ~109.5°,and Angle 3 = 120°

Question 55

Which structure would have the molecular formula C₆H₁₀O₂?

A)
B)
C)
D)

Question 56

Which compound has the highest boiling point?

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

Question 57

Which molecule is a polar molecule?

A)
B)
C)
D)
E)More than one of the molecules is a polar molecule.

Question 58

Three of the four structures below represent unstable organic compounds that are not likely to exist because they violate the octet rule. Which one of the four structures represents a stable organic compound that is likely to exist?

A)
B)
C)
D)

Question 59

Which bonding pattern is NOT typical of carbon atoms in organic compounds?

A)
B)
C)
D)

Question 60

Based on the functional group present,the compound below is classified as what type of compound?

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

Question 61

The molecule below is an example of an aromatic compound.

Question 62

MTBE is soluble in both gasoline and in water.

Question 63

Cholesterol is soluble in a nonpolar solvent,such as gasoline.

Question 64

The compound represented by the skeletal structure below contains eleven (11)H atoms and two lone pairs of electrons that are not shown.

Question 65

The two structures shown below represent the same compound.

Question 66

The molecule below is an example of a ketone.

Question 67

The condensed structure and skeletal structure shown below represent the same compound.

Question 68

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

Question 69

Polar organic compounds are water soluble only if they are small and contain a nitrogen or oxygen atom that can hydrogen bond with water.

Question 70

The molecule below is an example of an aromatic compound.

Question 71

Vitamin C is a water-soluble vitamin.

Question 72

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.

Question 73

The two structures shown below represent the same compound.
CH₃CH₂CH₂CH₂CO₂CH₃

Question 74

The compound below is a nonpolar molecule.

Question 75

Hydrocarbons are nonpolar molecules.

Question 76

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?

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 77

Vitamin B6,shown below,is a fat-soluble vitamin.

Question 78

Which molecule is more water soluble?

A)
B)
C)
D)

Question 79

Which structure properly indicates the order of attachment of atoms as represented by the condensed structure CH₃CHBrCH₂CH(CH₃)₂?

A)
B)
C)
D)

Question 80

All molecules with polar bonds are polar molecules.