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hydrocarbons (organic chemistry quick check 1)

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.
Is this hydrocarbon saturated or unsaturated? 
a)
saturated
b)
unsaturated
2.
What type of molecule is it:
a)
alkene
b)
alkyne
c)
alkane
d)
amino acid
3.
Which of the following could contain a triple bond?
a)
C4H10
b)
C4H8
c)
C4H6
d)
C4H12
4.

What chemical is this? (C5H10)

a)

Pentene

b)

Pentane

c)

Hexane

d)

Heptene

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.
Determine the regiochemistry of this reaction
a)
Markovnikov
b)
Anti-Markovnikov
c)
Hofmann
d)
Bredt
8.

Give the name of reaction, when alkanes react with bromine in sunglight.

a)

Hydrogenation

b)

Halogenation

c)

Hydration

d)

Hydrohalogenation

9.

What are the products of complete combustion of alkanes?

a)

SO2 + H2O

b)

H2O

c)

CO

d)

CO + H2O

e)

CO2 + H2O

10.
How do you test for an alkene?
a)
React it with oxygen
b)
React it with litmus paper
c)
React it with bromine water
d)
pH test
11.
A hydrocarbon that contains a double bonds is also known as…?
a)
Alkane
b)
Wet
c)
Unsaturated
d)
Saturated
12.

What is the IUPAC name for the compound whose structure is given below?

a)

(A) 4-iodo-4-hexene

b)

(B) 3-iodo-2-hexene

c)

(C) 4-iodo-5-hexene

d)

(D) 2-iodo-2-hexene

13.

Chlorine gas is added to 2-pentene in the dark.

What is the major organic product?

a)

A

b)

B

c)

C

d)

D

14.

The following equation represents an oxidation reaction of ethene.The best conditions for this reaction are

a)

(A) hot, acidified K2Cr2O7

b)

(B) cold, alkaline KMnO4

c)

(C) O2 + spark

d)

(D) H2O/H+

15.

Which of the following alkanes will have the highest boiling point?

a)

Methane

b)

Decane

c)

Nonane

d)

Pentane

16.

Petroleum is separated by distillation. What does that process involve?

a)

Boiling

b)

Freezing

c)

Evaporating

d)

Melting

17.
At which pipe: M or N are hydrocarbons with lower boiling points collected?
a)
M
b)
N
18.
All alkanes are soluble in water
a)
true
b)
false
c)
depends on the number of carbons and branching
d)
depends of the temperature
19.

How many methyl groups are on the following molecule?

a)

1

b)

2

c)

3

d)

4

20.

How many carbons are in the longest chain?

a)

7

b)

8

c)

9

d)

10