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Naming organic compounds

Total questions: 42

Worksheet time: 16mins

Name
Class
Date
1.
What is the general formula of the alkynes?
a)
CnH2n+1
b)
CnH2n+2
c)
CnH2n-1
d)
CnH2n-2
2.
How many carbon atoms are in propane
a)
1
b)
2
c)
3
d)
4
3.

What chemical is this? (C5H10)

a)

Pentene

b)

Pentane

c)

Hexane

d)

Heptene

4.
The molecular formula for Heptane is
a)
C4H10
b)
C8H18
c)
C5H12
d)
C7H16
5.

Which of the following shows the structure of ethene?

a)
b)
c)
d)
6.

Which of the following shows the structure of propene?

a)
b)
c)
d)
7.

What is the name of this hydrocarbon?

a)

1 - butane

b)

1 - butene

c)

2 - butane

d)

2 - butene

8.
Which of the following could contain a triple bond?
a)
C4H10
b)
C4H8
c)
C4H6
d)
C4H12
9.
If an alkane has 20 carbon atoms, how many hydrogen atoms will it have?
a)
20
b)
22
c)
40
d)
42
10.
The "ane" ending in "alkane" tells someone that they are dealing with _________-bonded carbons.
a)
single
b)
double
c)
triple
d)
quadruple
11.
Hydrocarbons are compounds that contain
a)
Carbon, only
b)
Carbon and Hydrogen, only
c)
Carbon, Oxygen, and Hydrogen, only
d)
Carbon, Oxygen, Hydrogen, and Nitrogen, only
12.
General formula of Alkene is 
a)
CnH2n+2
b)
CnH2n
c)
CnH2n+1OH
d)
CnH2n+1COOH
13.

Which of these functional groups is a methyl?

a)

-COOH

b)

-CH3

c)

-PO4-

d)

-SH

14.
Name the compound.
a)
nonene
b)
2,2-dimethyl-3-heptene
c)
1,1,5-trimethyl-2-hexene
d)
2,6-dimethyl-3-heptene
15.
Name this structure.
a)
propanal
b)
propanol
c)
propanoic acid
d)
propanone
16.
Name this structure.
a)
propanal
b)
propanol
c)
propane
d)
propanone
17.
Name this structure.
a)
methanoic acid
b)
methanal
c)
methanol
d)
methanone
18.

What is the "ending" used in alcohols?

a)

al

b)

ol

c)

oilo

d)

alco

19.

What is the correct name for the alkyne shown?

a)

butyne

b)

1-butyne

c)

2-butyne

d)

1-methyl-1-propyne

20.

Name the functional group shown.

a)

sulfhydryl

b)

hydroxyl

c)

amine

d)

phosphate

21.

Name the compound based on the functional group present.

a)

ethanamine

b)

methanamine

c)

amino acid

d)

propanamine

22.

Name this structure.

a)

methylpropanoate

b)

methylethanoate

c)

ethylpropanoate

23.
a)

Amine

b)

Amide

c)

Neither

24.
a)

propan-2-amide

b)

hexanamide

c)

pentan-3-amide

d)

pentanamide

25.

This compound is an example of

a)

a primary amine

b)

a secondary amine

c)

a tertiary amine

d)

cannot be classified as a primary, secondary or tertiary amine

26.

A weak acid is one which....

a)

partially dissociates

b)

completely ionizes

c)

totally dissolves

d)

has a higher pH

27.

Esterification is an example of a...

a)

A condensation reaction

b)

An addition reaction

c)

A subtraction reaction

d)

An evaporation reaction

28.

What is the difference between aldehyde and ketones?

a)

position of C=O group

b)

position of C atoms

c)

the number of bonds carbon can form

d)

the number of oxygen atoms

29.

Name this molecule:

a)

Propanone

b)

Propanal

c)

Butanone

d)

Butanal

30.

Name this molecule and give its functional group.

a)

Carboxylic acid - propanoic acid

b)

Ester - methyl ethanoate

c)

Ester - ethyl methanoate

d)

Carboxylic acid - methyl ethanoic acid

31.
Hydrocarbons are compounds that contain
a)
  Carbon and Nitrogen
b)
Carbon and Hydrogen 
c)
  Carbon, and Oxygen
d)
Carbon, Oxygen, and  Hydrogen 
32.

What makes alkynes different from the other hydrocarbons?

a)

It is saturated

b)

It contains one or more double bonds

c)

It contains one or more triple bonds

d)

It contains the most amount of hydrogen

33.

Which of the following is the correct name for this hydrocarbon?

a)

Hexene

b)

2 - Hexene

c)

2,3 - Hexene

d)

3 - Hexene

34.

Carbon is able to bond with atoms of other elements in many different ways because it has

a)

six protons

b)

four electrons

c)

six valence electrons

d)

four valence electrons

35.

Which of these compounds has the maximum possible number of hydrogen atoms on its carbon chain?

a)

hydrocarbon with double bonds

b)

hydrocarbon with triple bonds

c)

saturated hydrocarbon

d)

unsaturated hydrocarbon

36.

How many chemical bonds can each carbon atom form?

a)

one

b)

two

c)

three

d)

four

37.

A very large organic molecule made up of chains of smaller molecules is called a

a)

monomer

b)

polymer

c)

saturated hydrocarbon

d)

substituted hydrocarbon

38.

Condensation reactions are accomplished by

a)

the removal of a water molecule and two smaller molecules are combined

b)

addition of a carbon dioxide from the carbon chain of two monomers

c)

the splitting of a covalent bond with a water molecule

d)

the transfer of an -OH group to an amine group

39.

Which of the following is 1-bromopropane?

a)
b)
c)
d)
40.

What is the name of this haloalkane?

a)

1-chloroethane

b)

2-chloroethane

c)

3-chloroethane

d)

2-chloropropane

41.

Name this haloalkane:

a)

1,1-difluoropropane

b)

1-difluoropropane

c)

1-fluorobutane

d)

difluorobutane

42.
The longer the hydrocarbon, the _______ the boiling point
a)
Lower
b)
Higher

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