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1st exam for 10M (2nd semester)

Total questions: 50

Worksheet time: 2hrs 28mins

Name
Class
Date
1.
How many carbon atoms are in propane
a)
1
b)
2
c)
3
d)
4
2.
What is the general formula of an alkane
a)
2n+2
b)
CnH2n+2
c)
CnH2n
d)
CnHn
3.
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
4.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
5.
Name the compound.
a)
hexane
b)
2,3-dimethylbutane
c)
ethylbutane
d)
2,2-dimethylbutane
6.
Classify the compound based on the functional group present.
a)
alkane
b)
alkene
c)
alkyne
d)
aromatic
7.

Select the formula for the following name: Octene

a)

C8H16

b)

C8H14

c)

C8H18

d)

C8H15OH

8.
Which formula represents a saturated hydrocarbon?
a)
A
b)
B
c)
C
d)
D
9.
Which formula represents an unsaturated hydrocarbon?
a)
A
b)
B
c)
C
d)
D
10.

Unsaturated molecules contain...

a)

A carbon to carbon double bond

b)

Only single bonds between carbon atoms

c)

A water molecule

d)

A hydroxyl group

11.

Name this alkane

a)

Methane

b)

Propane

c)

Ethane

d)

Butane

12.

Name the group that has a double bond.

a)

alkanes

b)

alkenes

c)

alkynes

d)

all of the above

13.

All living systems are made from carbon-based molecules.

a)

TRUE

b)

FALSE

14.

Name this structure

a)

1,2-diethyl-butane

b)

1,2-dimethyl-butane

c)

3,4-diethyl-pentane

d)

2,3-diethyl-pentane

15.

Give the name of this structure. Make sure to use a dash (-).

(a)  

16.

What is the chemical formula for Heptane?

a)

C4H10

b)

C5H12

c)

C8H18

d)

C7H16

17.

How many carbon atoms are in propane?

a)

1

b)

2

c)

3

d)

4

18.

Which of the following is an unsaturated hydrocarbon?

a)

C2H6

b)

C3H8

c)

C4H8

d)

C4H10

19.

What is the homologous series for propene?

a)

alkanes

b)

alkenes

c)

alkynes

d)

aromatics

20.

Can alkanes undergo reactions?

a)

Yes, they can undergo substitution reactions with chlorine

b)

No, they cannot undergo any reactions

c)

No, the stable molecules do not like to react

d)

Yes, they undergo hydrogenation

21.

An alkane can be described as:

a)

Saturated

b)

Unsaturated

c)

Mysterious

d)

Totes kewl

22.

What is formed during the combustion of an organic substance assuming we have enough oxygen present?

a)

carbon monoxide

b)

water

c)

carbon dioxide

d)

hydrogen

23.

C10H22 --> C5H12 + C3H6 + ?

a)

C2H4

b)

C3H4

c)

CO2

d)

CH4

24.
How many hydrogen atoms are in butane
a)
4
b)
6
c)
8
d)
10
25.

CH4

a)

methane

b)

methene

c)

monane

d)

methanol

26.

Hydrocarbon is a compound that

(a)  

27.

What is the general formula of alkanes?

(a)  

28.

The formula of the 8th member of the alkane family is (a)  

29.

Th name of the 8th member of the alkane family is (a)  

30.

Which of the following is NOT a product formed when methane reacts under the needed conditions with chlorine?

a)

CH3Cl

b)

CH2Cl2

c)

CHCl4

d)

CCl4

31.

What type of chemical reaction is this:

C3H8 + 5O2 --> 3CO2 + 4H2O

a)

Incomplete combustion

b)

Substitution with oxygen

c)

Complete combustion

d)

Substitution with chlorine

32.

What type of chemical reaction is this:

C3H8 + Br2 --> C3H7CBr + HBr

a)

Incomplete combustion

b)

Substitution with chlorine

c)

Complete combustion

d)

Substitution with bromine

33.

What is the correct structure for 2 - butene?

a)
b)
c)
d)
34.

Select the formula for the following name: Octene

a)

C8H16

b)

C8H14

c)

C8H18

d)

C8H15OH

35.

Reaction between this compound and two mole of H2 in the presence of Ni catalyst will produce

a)

3-methylbutene

b)

3-methylbutane

c)

2-methylbutane

d)

2-methylbutene

e)

n-butane

36.

 CH3=CH3CH_3=CH_3  

a)

Methen

b)

Ethen

c)

Propen

d)

Buten

37.
a)

Penten

b)

Hepten

c)

Propen

d)

Buten

38.

 CH2=CH −CH2−CH2−CH3CH_2=CH\ -CH_2-CH_2-CH_3  

a)

Hepten

b)

Hexen

c)

Penten

d)

Propen

39.

Propen

a)

CH2=CH2−CH3CH_2=CH_2-CH_3

b)

CH2=CH−CH2CH_2=CH-CH_2

c)

CH2=C−CH3CH_2=C-CH_3

d)

CH2=CH−CH3CH_2=CH-CH_3

40.
What element does C stands for?
a)
cat
b)
calcium
c)
carbon
d)
crypton
41.
Which compound is inorganic?
a)
Glucose (C₆H₁₂O₆)
b)
Ethane (C₂H₆)
c)
Carbon Dioxide (CO₂)
d)
Stearic Acid (C₁₈H₃₆O₂)
42.
The four organic compounds found in living things are?
a)
Carbohydrates, Lipids, Nucleic Acids, and Oxygen
b)
Carbohydrates, Lipids, Proteins, and Carbon
c)
Carbohydrates, Lipids, Proteins, Nucleic Acids
d)
Carbon, Lipids, Proteins, Nucleic Acids
43.
The symbol P stands for with element?
a)
Phosphorus
b)
Potassium
c)
Possum
44.

Name of compound

(a)  

45.

Name

(a)  

46.

Name

(a)  

47.

Name the compound

a)

methane

b)

bromomethane

c)

bromobutane

d)

bromoethylene

48.

This chemical formula is written in what form?

a)

molecular formula

b)

skeletal formula or line diagram

c)

structural formula

d)

answer not included

49.

Alkenes contain triple bonds

a)

TRUE

b)

FALSE

c)

Not sure

50.

Complete the equation C16H34 ---> __________ + C2H4

a)

C16H34

b)

C2H30

c)

C10H20

d)

C14H30

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