wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Organic Chemistry

Total questions: 29

Worksheet time: 15mins

Name
Class
Date
1.

Which of the following is a cyclic hydrocarbon?

a)

Butane

b)

Cyclobutane

c)

Propane

d)

propene

2.

In cyclic hydrocarbons, each carbon atom is surrounded by ________- covalent bonds ?

a)

1

b)

2

c)

3

d)

4

3.

Benzene ring has the chemical formula ___________-.

a)

C6H6

b)

C6H12

c)

C6H14

d)

C7H7

4.

Benzene ring contains _____________.

a)

three single bonds only

b)

three double bonds only

c)

three single bonds and three double bonds.

d)

six single bonds only

5.

Which compound below is aromatic?

a)
b)
c)
d)
6.

As the number of carbon atoms in a formula ________, the number of possible isomers _________.

a)

increases, decreases

b)

increases, increases

c)

decreases, increases

7.

Hydrocarbons with only single covalent bonds are known as?

a)

Alkanes

b)

Alkenes

c)

Alkynes

8.

An alkene is a hydrocarbon with

a)

all single bonds betwee carbon atoms

b)

one triple bond between 2 carbon atoms

c)

at least one double bond between 2 carbon atoms

9.

Cyclohexane is the simplest stype of cyclic hydrocarbon and contains only

a)

triple bonds

b)

double bonds

c)

single bonds

10.

The most well-known ring structure that possesses double bonds is _____

a)

benzene

b)

hexane

c)

methane

11.

Substances with benzene-like rings are called _________

a)

circle compounds

b)

aromatic compounds

c)

aldehydes

12.

The cycloalkane C4H8 is fairly unstable and reactive, and is called ___

a)

cyclomethane

b)

cycloethane

c)

cyclopropane

d)

cyclobutane

13.

The simplest cyclic hydrocarbon, C3H6, is very fragile due to tight bond angles, and is called ___

a)

cyclomethane

b)

cycloethane

c)

cyclopropane

d)

cyclobutane

14.

What functional group is shown?

a)

amino

b)

hydroxyl

c)

carboxyl

d)

sulfhydryl

15.

Which is a hydroxyl functional group?

a)
b)
c)
16.

Which compound is an isomer of CH3CH2OH?

a)

CH3COOH

b)

CH3CH2CH3

c)

CH3OCH3

d)

CH3COCH3

17.

What functional group is -OH

a)

Hydroxyl

b)

Carboxyl

c)

Amino

d)

Carbonyl Ketone

18.

Select the straight chain compound

a)
b)
c)
d)
19.

Which of the following should be used to identify the molecular formula of an alkyne?

a)

CnH2n+2

b)

CnH2n-2

c)

CnH2n

d)

CnHn+2

20.

Which compound has the highest boiling point?

a)

ethane

b)

butane

c)

pentane

d)

propane

21.

Hydrocarbons with double or triple bonds are said to be

a)

Saturated

b)

Unsaturated

c)

Supersaturated

22.

________are compounds that have identical chemical formulas but different molecular structures and shapes.

a)

Isomers

b)

Minerals

c)

Polymers

d)

Models

23.

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

24.

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

a)
b)
c)
d)
25.

Which is an isomer of

a)
b)
c)
d)
26.
How many carbon atoms are in this line angle structure?
a)
11
b)
7
c)
8
d)
10
27.
Given the structural formulas below, which 2 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
28.

What will be the chemical formula of alkene having Hydrogen atom = 12?

a)

C12H24

b)

C7H12

c)

C5H12

d)

C6H12

29.

How many covalent bonds does C2H6 has?

a)

6

b)

8

c)

7

d)

12