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CHEM 241- NSU-Ch3 - Intro to Organic Compounds and Nomenclature

Total questions: 120

Worksheet time: 3hrs 37mins

Name
Class
Date
1.

The functional group shown is .

Choose from the below words
amide
ketone
organic acid
amine
2.

The organic family for propanamine is (a)   .

3.

The organic functional group for this structure is (a)   .

Choose from the below words
aldehydes
amides
amines
organic acids
4.

​ ​ (a)   and ​ (b)   make up the amino- functional group.

Choose from the below words
Hydrogen
Nitrogen
Potassium
Oxygen
Arsenic
Chlorine
5.

Aiden need to name this compound based on the functional group present. What would its name be?

a)

ethanamine

b)

methanamine

c)

amino acid

d)

propanamine

6.

A functional group is defined as .

Choose from the below words
Atoms or group of atoms that give s
Group of molecules that make up a g
Group of molecules that give specif
Group of atoms that give specific c
7.

Classify the compound based on the functional group present.

a)

Ketone

b)

Carboxylic acid

c)

Ester

d)

Ether

8.

Classify the compound based on the functional group present.

a)

Ether

b)

Ketone

c)

Ester

d)

Carboxylic acid

9.
What is this functional group?
a)
ketone
b)
amide
c)
ether
d)
amine
10.
a)
amine
b)
ketone
c)
carboxylic acid
d)
ether
11.
Name the organic family for this structure:
a)
organic halides
b)
esters
c)
alcohols
d)
ethers
12.
What is the organic family for propanol?  
a)
organic halides
b)
alkenes
c)
alcohols
d)
aromatics
13.
What is the organic family for propanal?  
a)
aldehydes
b)
esters
c)
ketones
d)
ethers
14.
Which of the following is not a halide?
a)
Cl
b)
S
c)
Br
d)
I
15.

The name of the substance in the image is...

a)

ethanol

b)

propanol

c)

ethane

d)

propane

16.
 What is the organic family for methyl ethanoate (methyl acetate)?  
a)
aldehydes
b)
esters
c)
ketones
d)
carboxylic acids
17.

What functional group is shown?

a)

carbonyl

b)

hydroxyl

c)

carboxyl

d)

amino

18.

What functional group is shown?

a)

carboxyl

b)

carbonyl

c)

hydroxyl

d)

amino

19.

What functional group is shown?

a)

hydroxyl

b)

carboxyl

c)

methyl

d)

carbonyl

20.

The functional group shown is (a)   .

Choose from the below words
amino
hydroxyl
carboxyl
sulfhydryl
21.

​ (a)   is the prefix for the structure shown

Choose from the below words
Amino
sulfhydryl
hydroxyl
phosphate
22.

What functional group is shown?

a)

hydroxyl

b)

amino

c)

carboxyl

d)

sulfhydryl

23.

Identify the phosphate group

a)

b)

c)

24.

Hydroxyl group

a)

Can transfer energy between organic molecules.

b)

stabilize protein structure

c)

Acts as a base; can pick up a proton from the surrounding solution:

d)

Attracts water molecules, helping dissolve organic compounds such as sugars

e)

Can ionize by releasing the hydrogen atom from the

-OH group

25.

Identify the Functional Group

4 lines
26.

Identify the Functional Group

4 lines
27.

Identify the Functional Group

4 lines
28.

Hydrocarbons that contain a delocalized ring of π-bonds such as benzene ring are called ___________ hydrocarbons.

a)

aromatic

b)

aliphatic

c)

organic

d)

cyclo

29.

Which of these functional groups is an Aldehyde?

a)

-CHO

b)

-CH3

c)

-NH2

d)

-COOH

30.

Which of these functional groups is a sulfhydryl?

a)

-SH

b)

-OH

c)

-CO

d)

-COH

31.

Which of these functional groups is carboxyl?

a)

-CO

b)

-NH2

c)

-CH3

d)

COOH

32.

Name this compound.

a)

Propane

b)

Bropane

c)

Propane(Br)

d)

Bromopropane

33.

Name this compound.

a)

Nitroethane

b)

Ethylamine

c)

Aminoethane

d)

Ethamine

34.

Name this compound.

a)

Butanol

b)

Butene

c)

Oxybutanol

d)

Butanoic acid

35.
Which functional group is present in this molecule? 
a)
Hydroxyl only 
b)
Hydroxyl and Amino 
c)
Carboxyl and Amino 
d)

Hyroxyl and Carbonyl

36.
Which functional group is NOT present?
a)
Amino 
b)
Carboxyl 
c)
Hydroxl
d)
Amine
37.

Name this structure.

a)

methylpropanoate

b)

methylethanoate

c)

ethylpropanoate

38.

Name the structure.

a)

4-hexanol

b)

3-hexanol

c)

4-heptanol

d)

3-heptanol

39.
Name this structure.
a)
propanal
b)
propanol
c)
propanoic acid
d)
propanone
40.

Name this structure.

a)

hexanal

b)

hexanoic acid

c)

hexanone

d)

hexanoate

41.

Name this structure.

a)

heptanoic acid

b)

heptane

c)

6-heptanone

d)

2-heptanone

42.

Name this structure.

a)

methyl ethanoate

b)

ethyl methanoate

c)

ethyl methyl ether

d)

methyl ethyl ether

43.

Name this structure.

a)

propanal

b)

1-propanol

c)

propane

d)

3-propanol

44.

Name this molecule.


CH3CH2CH2CHO

a)

butanol

b)

butanone

c)

butanoic acid

d)

butanal

45.

Name the molecule.


CH3CH2CH2CH2CH2CH2CH2COOH

a)

heptanoic acid

b)

octanoic acid

c)

octanol

d)

methy octanoate

46.

Name this compound...

a)

methane

b)

methene

c)

methanol

d)

methoxymethane

47.

Name the compound

a)

ethoxypropane

b)

3-pentanol

c)

pentanol

d)

pentane

48.
 What is the organic family for methyl ethanoate (methyl acetate)?  
a)
aldehydes
b)
esters
c)
ketones
d)
carboxylic acids
49.

What is the name of this product?

a)

1– propanol

b)

1– propene

c)

ethylene glycol

d)

3– propanol

e)

1,2,3 – propanetriol

50.
Name this molecule:
a)
trifluoro-1-methylmethane
b)
1,1,1-trifluoromethane
c)
trifluorethane
d)
1,1,1-trifluoroethane
51.

What is the name of this compound?

a)

2,3-bromobutane

b)

2,3-dibromo butane

c)

1,1-dibromo-1-methyl propane

d)

Bromobutane

52.
Name this structure.
a)
methanoic acid
b)
methanal
c)
methanol
d)
methanone
53.

Which of the following violates the rules for writing resonance structures?

a)
b)
c)
d)
54.

Which of the following violates the rules for curved arrows? Choose ALL.

a)
b)
c)
d)
55.

Choose the correct resonance structure for compound A

a)
b)
c)
d)
56.

Choose the correct resonance structure for compound A

a)
b)
c)
d)
57.

Which of the following is/are correct resonance structures for compound A?

a)

I and II

b)

I and III

c)

III and IV

d)

I and III

e)

I and IV

58.

Which of the following is a correct resonance structure for compound A?

a)
b)
c)
d)
59.
Define the term resonance structure
a)
Delocalization of electrons in an atom
b)
Delocalization of π electrons within a molecule
c)
Spread of π electrons in an atom
d)
Spread of π electrons within a molecule
60.
How many resonance structures for NO3- ion?
a)
1
b)
2
c)
3
d)
4
61.
How many resonance structure for SO2 ?
a)
1
b)
2
c)
3
d)
4
62.
How many resonance structures for CH3COO- ion?
a)
1
b)
2
c)
3
d)
4
63.

What is the picture showing?

a)

All of the resonance structures for carbonate.

b)

The formal charge on each atom in carbonate.

c)

The electronegativity for carbonate.

d)

The ionization energy for carbonate.

64.

What is the name for when more than one valid Lewis structure can be drawn for a molecule?

a)

coordinate covalent bond

b)

resonance

c)

endothermic

d)

structural formula

65.

Draw the Lewis structure for BH3 on your own. Then compare your drawing to the answer choices, and select the correct drawing for BH3.

a)
b)
c)
d)
66.

Which of the following is true about expanded octets? (Check all that apply.)

a)

Any element can have an expanded octet.

b)

Elements in row 3 and lower on the periodic table can have expanded octets.

c)

An expanded octet is when an element has less than 8 electrons.

d)

An expanded octet is when an element has more than 8 electrons.

e)

An expanded octet is when an atom has an unpaired set of electrons in its outer shell.

67.
Which of the following is an acceptable Lewis structure for CH3Cl?
a)
Option A
b)
Option B
c)
Option C
d)
Option D
68.

Match the following functional groups with the appropriate suffix

a)

carboxylic acid

1.

-oic acid

b)

ketone

2.

-one

c)

aldehyde

3.

-al

d)

alcohol

4.

-ol

e)

ester

5.

-oate

69.

Match the following

a)

-SH

1.

-thiol

b)

amine

2.

-amine

c)

-amide

3.

-amide

d)

RX

4.

-ide

e)

ether

5.

-ether

70.

Match the following functional groups with the appropriate suffix

a)

alkyl

1.

-ane

b)

alkenyl

2.

-ene

c)

alkynyl

3.

-ynl

71.

Match the following Match the following alkyl groups with the appropriate number of carbons

a)

2

1.

ethyl

b)

4

2.

butyl

c)

6

3.

hexyl

d)

5

4.

pentyl

e)

7

5.

heptyl

72.

Match the following alkyl groups with the appropriate number of carbons

a)

methyl

1.

1

b)

decyl

2.

10

c)

octyl

3.

8

d)

propyl

4.

3

e)

undecyl

5.

11

73.

Draw the structure for 5-methylhexan-2-ol

74.

Draw the bond-line structure for 2-bromo-4,5-dimethylhexane

75.

Draw all isomers for the molecular formula C2H2Br2

76.

Draw all isomers for the molecular formula C2H4BrCl

77.

Draw all isomers of the molecular formula C2H7N

78.

Draw all isomers of the molecular formula C3H8O

79.

Draw all isomers of the molecular formula C3H8S

80.

Identify the type(s) of conformations for the following Newman Projection

a)

Anti

b)

Partially Eclipsed

c)

Eclipsed

d)

Gauche

1
2
3
4
1)
2)
3)
4)
81.

Identify each isomer with the appropriate prefix

a)

iso-

b)

n-

c)

neo-

1
2
3
1)
2)
3)
82.

General molecular formula for both alcohols and ethers is ​ ​

a)

CnH2n+2O

b)

CnH2nO

c)

CnH2n+2N

d)

CnH2n+1O

83.

General molecular formula for both aldehydes, ketones, and unsaturated alcohols is ​ ​

a)

CnH2n+2O

b)

CnH2nO

c)

CnH2n+2N

d)

CnH2n+1O

84.

General molecular formula for both acids and esters is ​ ​

a)

CnH2n+2O2

b)

CnH2nO2

c)

CnH2n+2N2

d)

CnH2n+3O

85.

Molecules can have Greek letters to denote the position of various functional groups. Label the following with the appropriate Greek letters.

a)

α

b)

β

c)

γ

1
2
3
1)
2)
3)
86.

Draw the condensed structure of 3-bromo-2-methylpentane

87.

Draw the condensed structure for 4-methylpent-1-yne

88.

draw the condensed structure for neopentyl bromide

89.

How many quaternary carbons are present in the following molecule?

(a)  

90.

How many primary carbons are present in the following molecule?

(a)  

91.

How many secondary carbons are present in the following molecule?

(a)  

92.

How many tertiary carbons are present in the following molecule?

(a)  

93.

Draw the bond-line structure for isopropylcyclohexane

94.

What is the molecular formula for the following compound

a)

C10H16

b)

C8H8

c)

C10H13

d)

C11H16

95.

What is the molecular formula for the following compound

a)

C7H13N

b)

C5H11N

c)

C7H11NH2

d)

C5H10N

96.

Which of the following is an eclipsed Newman Projection?

a)
b)
c)
d)
97.

Which of the following is a staggered Newman Projection? (Choose ALL)

a)
b)
c)
d)
98.

Draw the Newman Projection for the following compound as viewed down the indicated bond in the conformation shown:

a)
b)
c)
d)
99.

Given the following molecule, what does the Newman Projection look like from C2-C3?

a)
b)
c)
d)
100.

What is the name of the following molecule?

a)

3,7,11-trimethyldodecane

b)

2,6,10-trimethyldodecane

c)

2,5,10-trimethyldodecane

d)

2,5,10-trimethylundecane

101.

Given 3-bromo-2,2-dimethylbutane. What does the Newman projection look like from C2-C3?

a)
b)
c)
d)
102.

What is an appropriate name for the following compound?

a)

4-ethylhexane

b)

3-ethylhexane

c)

3-ethylpentane

d)

2,2-dimethylpentane

103.

What does the line angle drawing look like given the following Newman?

a)
b)
c)
d)
104.

Given the following molecule, what does the most stable Newman structure look like from C3-C2?

a)
b)
c)
d)
105.

What is an appropriate name for the following compound?

a)

5-cyclobutyl-4-fluoro-3-methyl-3-propylheptane

b)

3-cyclobutyl-5-ethyl-4-fluoro-5-methyloctane

c)

3-cyclobutyl-4-fluoro-5-methyl-5-propylheptane

d)

3-cyclobutyl-6-ethyl-4-fluoro-6-methyloctane

106.

Given the following molecule, what does the highest energy Newman structure look like from C2-C3?

a)
b)
c)
d)
107.

What is the main reason why totally eclipsed Newman projections are the most unstable?

a)

torsional strain

b)

angle strain

c)

steric strain

d)

bond strain

108.

Staggered and eclipsed conformations are best shown using which projection?

a)

Newman

b)

Haworth

c)

Fisher

d)

Kramer

109.

If the axial substituent at C1 is up, then what are the axial directions at C3 and C4?

a)

Up and up

b)

Down and down

c)

Up and down

d)

Down and up

e)

How dare you?!?

110.

If the axial substituent at C1 is up and then a ring flip is performed, then what are the axial directions at C3 and C4?

a)

Up and up

b)

Down and down

c)

Up and down

d)

Down and up

e)

What gives you the right?!?

111.

Cis-trans isomers are

a)

constitutional isomers

b)

optical isomers

c)

geometric diastereomers

d)

readily interconverted by rotating bonds

e)

all of the above

112.

Cyclohexane in the chair conformation

a)

has no eclipsed substituents

b)

has sp3 hybridized carbons

c)

has bond angles of 109.5 degrees

d)

all of the above

113.

Draw the most stable chair conformation of the following molecule:

114.

Draw the most stable chair conformation for the following molecule:

115.

Draw the most stable ring conformation for the following molecule:

116.

What would the following ring conformation look like if you were to conduct a ring flip?

117.

Are atoms more stable in the equatorial or axial position?

a)

equatorial

b)

axial

c)

don't know

118.

Name the following compound:

(a)  

119.

Draw the newman projection of 2-bromobutane from the C3-C2 axis

120.

Draw the newman projection for ethane (CH3CH3) at the C1-C2 axis

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