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Worksheets

Organic molecules

Total questions: 70

Worksheet time: 49mins

Name
Class
Date
1.

What is the functional group of alcohols?

a)

–NH2

b)

–COOH

c)

–CHO

d)

–OH

e)

–NO2

2.

What is the name of this product?

a)

1– propanol

b)

1– propene

c)

ethylene glycol

d)

3– propanol

e)

1,2,3 – propanetriol

3.
Name the following molecule:
a)
3,3-dimethyl-1-butanol
b)
3,3-methyl-1-butanol
c)
2,2-dimethyl-4-butanol
d)
3,3,3-trimethyl-1-propanol
4.

Which group has the following functional group?

a)

hydrocarbon

b)

alchohol

c)

ether

d)

ester

5.

Identify the functional groups present in this compound.

a)

amine

b)

amide

c)

ether

d)

ester

6.

What is a functional group?

a)

Group of atoms that give specific characteristics to a molecule

b)

Group of molecules that give specific characteristics to an atom

c)

Group of molecules that make up a group of atoms

d)

Group of atoms that give specific characteristics to an element

7.
What functional group is found in the following picture:
a)
esters
b)
ethers
c)
carboxylic acids
8.

Name this compound...

a)

methane

b)

methene

c)

methanol

d)

methoxymethane

9.

Name the compound....

a)

propanol

b)

dimethyl ether

c)

mthyoxymethane

d)

methoxyethane

10.

Name the compound

a)

hexane

b)

hexanol

c)

propoxypropane

d)

3-hexanol

11.

The group made up of alcohols and acids

a)

esters

b)

carbocilic acids

c)

ethers

d)

alkynes

12.

molecule with the same molecular structure but different structural formula

a)

fats

b)

lipids

c)

fossil fuels

d)

isomers

13.

Name the compound

a)

ethoxypropane

b)

pentan-3-ol

c)

pentanol

d)

pentane

14.
Name the structure.
a)
4-hexanol
b)
3-hexanol
c)
4-heptanol
d)
3-heptanol
15.
The name of this compound is:
a)
heptan-2-one
b)
2-hexanone
c)
2-heptanone
d)
pentan-2-one
16.
Name the following molecule:
a)
1,3-dimethyl-2-ethyl-1-butanol
b)
2,4-dimethyl-3-ethyl-1-pentanol
c)
2,4-dimethyl-3-ethyl-4-butanol
d)
3-ethyl-4-methyl-2-pentanol
17.
Name the following molecule:
a)
3,3-dimethyl-1-butanol
b)
3,3-methyl-1-butanol
c)
2,2-dimethyl-4-butanol
d)
3,3,3-trimethyl-1-propanol
18.

Which of the names below can be used to correctly name the above compound?

a)

Isobutanol

b)

Tertiary butanol

c)

2-methyl -2-propanol

19.
Choose a daily-life application of ketones
a)
used in rubber industries
b)
active ingredient in nail polish remover
c)
preserving tissues
d)
to make adhesives
20.
Match the following formulas
a)
ketone, aldehyde, carbonyl group
b)
carbonyl group, aldehyde, ketone
c)
aldehyde, carbonyl group, ketone
d)
carbonyl group, ketone, aldehyde
21.
In this type of compounds, the carbonyl group is always carbon #1
a)
ketones
b)
ethers
c)
aldehydes
d)
alkanes
22.
These are examples:
a)
ethers
b)
aldehydes
c)
ketones
d)
aromatics
23.
This is not a use of ethers:
a)
anesthetics in hospitals
b)
solvents in industries
c)
to make hand sanitizers
d)
as fuel
24.

What functional group is shown?

a)

amino

b)

hydroxyl

c)

carboxyl

d)

sulfhydryl

25.

What functional group is shown?

a)

hydroxyl

b)

carboxyl

c)

methyl

d)

carbonyl

26.

What functional group is shown?

a)

carboxyl

b)

carbonyl

c)

hydroxyl

d)

amino

27.

What functional group is shown?

a)

carbonyl

b)

hydroxyl

c)

carboxyl

d)

amino

28.
a)

sulfhydryl

b)

hydroxyl

c)

amino

d)

phosphate

29.

What functional group is shown?

a)

carboxyl

b)

phosphate

c)

hydroxyl

d)

amino

30.

What functional group is shown?

a)

hydroxyl

b)

amino

c)

carboxyl

d)

sulfhydryl

31.

hydroxyl group

a)
b)
c)
32.

carbonyl group

a)
b)
c)
33.

carboxyl group

a)
b)
c)
34.

amino group

a)
b)
c)
35.

Name the functional group shown.

a)

sulfhydryl

b)

hydroxyl

c)

amine

d)

phosphate

36.

Which functional group is shown?

a)

amine

b)

ketone

c)

amide

d)

organic acid

37.

What functional group is shown?

a)

amide

b)

ketone

c)

organic acid

d)

amine

38.

What is the organic family for propanamine?

a)

aldehydes

b)

amides

c)

amines

d)

organic acids

39.

What is the organic family for propanamide?

a)

aldehydes

b)

amides

c)

amines

d)

organic acids

40.

Name the organic functional group for this structure:

a)

aldehydes

b)

amides

c)

amines

d)

organic acids

41.
What two elements make up the amino group?
a)
Hydrogen, Oxygen
b)
Nitrogen, Oxygen
c)
Potassium, Hydrogen 
d)
Hydrogen, Nitrogen
42.

Name the compound based on the functional group present.

a)

ethanamine

b)

methanamine

c)

amino acid

d)

propanamine

43.

Name this structure.

a)

methylpropanoate

b)

methylethanoate

c)

ethylpropanoate

44.

Identify the functional group.

a)

Carbonyl

b)

Carboxyl

c)

Hydroxyl

d)

Carboalkoxy

45.

Identify the functional group.

a)

Alkoxy

b)

Amino group

c)

Carbonyl

d)

Carboxyl

46.

Identify the functional group.

a)

Carboalkoxy

b)

Carbon-carbon double bond

c)

Halogen

d)

Acyl chloride

47.

Identify the functional group.

a)

Benzene ring

b)

Carbon-carbon double bond

c)

Hydroxyl

d)

Carbon-carbon triple bond

48.

Identify the functional group.

a)

Halogen

b)

Amino group

c)

Anhydride

d)

Nitro group

49.

Compounds that are composed of the same number and type of atoms but have them arranged in different ways are ___________.

a)

isomers

b)

isotopes

c)

polymers

d)

alkanes

50.
A structural isomer of pentane is?
a)
2,2-dimethyl octane
b)
2-methyl butane
c)
1-methyl propane
d)
1-methyl pentane
51.
Geometric isomers shown below is called
a)
Cis/trans 1,2 dichloroethane
b)
Cis/trans 1,2 dichloroethene
c)
Cis/trans 1,2 chloroethane
d)
Cis/trans 1,2 chloroethene
52.

Given the formula representing a compound:


Which formula represents an isomer of this compound?

a)
b)
c)
d)
53.

Which compound is an isomer of C2H5OC2H5?

a)

CH3COOH

b)

C2H5COOCH3

c)

C3H7COCH3

d)

C4H9OH

54.

Which formulas represent compounds that are isomers of each other?

a)
b)
c)
d)
55.

Given a formula representing a compound:Which formula represents an isomer of this compound?

a)
b)
c)
d)
56.

Given the structural formulas:


Which two formulas represent compounds that are isomers of each other?

a)

A and B

b)

A and C

c)

B and D

d)

C and D

57.

Which pair of compounds are isomers?

a)

NO2 and N2O4

b)

P2O5 and P4O10

c)

HCOOH and CH3COOH

d)

CH3OCH3 and C2H5OH

58.

Molecules of 1-bromopropane and 2-bromopropane differ in

a)

molecular formula

b)

structural formula

c)

number of carbon atoms per molecule

d)

number of bromine atoms per molecule

59.

Which structural formula represents a molecule that is not an isomer of pentane?

a)
b)
c)
d)
60.

Which compound has an isomer?

a)
b)
c)
d)
61.

Which compound is an isomer of CH3CH2OH?

a)

CH3COOH

b)

CH3CH2CH3

c)

CH3OCH3

d)

CH3COCH3

62.

Which pair of compounds are isomers?

a)

CH3CH2CH3 and CH2CHCH3

b)

CH2CH2 and CH3COCH3

c)

CH3OCH3 and CH3COCH3

d)

CH3COCH3 and CH3CH2CHO

63.

Given the compound:


Which structural formula represents an isomer?

a)
b)
c)
d)
64.

Which is an isomer of

a)
b)
c)
d)
65.

Which is an isomer of CH3CH2CH2COOH?

a)

CH3CH2OCH2CH3

b)

CH3CH2CH2OCH3

c)

CH3CH2CH2CH2OH

d)

CH3COOCH2CH3

66.
Which of the following is true about structural isomers?
a)
Have the same molecular formula
b)
Have different physical and chemical properties.
c)
Have the same number of elements
d)
all of the above
67.
Are the compounds shown isomers
a)
Yes
b)
No
68.
Propane has no structural isomers
a)
True
b)
False
69.
Are the following molecules isomers?
a)
Yes
b)
No
70.
Are the following molecules isomers?
a)
Yes
b)
No

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