Free Printable ALKENE & AROMATIC

Free Printable Worksheets

Worksheets

ALKENE & AROMATIC

Total questions: 40

Worksheet time: 2hrs 37mins

Name

Class

Date

1.

What is the minimum number of carbon for the simplest aromatic compound?

a)

4

b)

6

c)

8

d)

12

2.

Aromatic compounds are polar and insoluble in water. Is the statement true or false?

a)

True

b)

False

3.

Aromatic compounds usually undergo which type of reaction?

a)

Electrophilic substitution reaction

b)

Electrophilic addition reaction

c)

Nucleophilic substitution reaction

d)

Nucleophilic addition reaction

4.

Aromatic compounds are non-polar and so they are not soluble in polar water solvent. Is the statement true or false?

a)

True

b)

False

5.

Under what reaction conditions does the electrophilic chlorination of aromatic compounds usually occur?

a)

Cl₂, AlCl₃

b)

Cl₂, H₂O

c)

Cl₂, CCl₄

d)

NaCl, H₂O

6.

Which is NOT aromatic?

a)

I

b)

II

c)

III

d)

IV

e)

V

7.

How many delocalised electron are there for each benzene molecules?

a)

2

b)

3

c)

6

d)

12

8.

What is the molecular formula of Benzene?

a)

C₆H₁₂

b)

C₆H₆

c)

C₆H₁₀

d)

C₈H₈

9.

Name the compound

a)

Nitro benzene

b)

Ammonia benzene

c)

Aniline

d)

amino benzene

10.

Identify phenol from the structures below.

a)

b)

c)

d)

11.

The correct name for the given molecule would be:

a)

o-bromophenol

b)

Hydrobromobenzene

c)

m-bromophenol

d)

p-bromophenol

12.

Which of the following structures does not exist?

a)

b)

c)

d)

13.

What is another name for p-aminobenzoic acid that would still be considered to be correct?

a)

4-aminobenzoic acid

b)

3-aminobenzoic acid

c)

2-aminobenzoic acid

d)

1-aminobenzoic acid

14.

Benzene can only undergoes reaction of ______________

a)

elimination

b)

addition

c)

substitution

d)

none

15.

Which mechanism an aromatic compounds react by?

a)

Electrophilic addition

b)

Electrophilic substitution

c)

Nucleophilic addition

d)

Nucleophilic substitution

16.

What is the molecular formula of Benzene?

a)

C₆H₁₂

b)

C₆H₆

c)

C₆H₁₀

d)

C₈H₈

17.

Does benzene decolorise bromine?

a)

Yes

b)

NO

c)

Who knows

d)

Why did i take chemistry in the first place?

18.

Which of the following molecules is aromatic?

a)

b)

c)

d)

19.

Which of the following transformations could be feasibly carried out in a single step using the Friedel–Crafts alkylation?

a)

A

b)

B

c)

C

d)

D

20.

What is true about C-C bond lengths in benzene?

a)

alternative longer and shorter length

b)

All the same length

c)

All different length

d)

two are the same length and the third one is different

21.

Determine structure A.

a)

b)

c)

d)

22.

Give the observation.

a)

The reddish-brown colour of bromine remain unchanged.

b)

The reddish-brown colour of bromine decolourised

c)

Brown precipitate formed.

d)

The purple colour of bromine decolourised.

23.

Determine structure B.

a)

b)

c)

d)

24.

Give the observation.

a)

The reddish-brown colour of bromine remain unchanged.

b)

The reddish-brown precipitate formed.

c)

The reddish-brown colour of bromine decolourised.

d)

The bromine water turns milky

25.

Determine structure C

a)

b)

c)

d)

26.

Give the observation.

a)

The purple colour of KMnO₄ remain unchanged.

b)

White precipitate formed.

c)

The reddish-brown colour of KMnO₄ decolourised.

d)

The purple colour of KMnO₄ decolourised.

27.

State reagent and condition D

a)

Bromine in inert solvent CH₂Cl₂

b)

Bromine in water

c)

Water

d)

HBr

28.

State the reagent and condition for E.

a)

H₂O

b)

alkaline solution of potassium permanganate

c)

NaOH in CH₂Cl₂

d)

NaOH in water

29.

Give the name of the test.

a)

Baeyer's Test

b)

Bromine Test

c)

Oxidation Test

d)

Lucas Test

30.

State the reagent and condition for F.

a)

Bromine in water

b)

HBr

c)

Bromine gas

d)

Bromine in inert solvent

31.

Which of the following reagents is used for hydration of an alkene

a)

1. OsO4/ 2. NaHSO3, H2O

b)

H2O/H2SO4

c)

H2/Pd

d)

RCOOOH

32.

Name the following molecule.

a)

2,3-dichlorobutene

b)

cis-2,3-dichlorobutene

c)

trans-2,3-dichlorobutene

33.

Name the following molecule.

a)

2,3-dichlorobutene

b)

cis-2,3-dichlorobutene

c)

trans-2,3-dichlorobutene

34.

Unsaturated hydrocarbons contain ___.

a)

at least one double or triple bond between carbon atoms

b)

only double bonds

c)

only single bonds between carbon atoms

d)

only triple bonds

35.

What is the correct structure for 2 - butene?

a)

b)

c)

d)

36.

What is the expected product formed from the reaction between 2-butene and Cl₂?

a)

1-chlorobutane

b)

2-chlorobutane

c)

2,3-dichlorobutane

d)

2,2-dichlorobutane

37.

Halogenation of alkene is an example of

a)

Electrophilic Substitution

b)

Nucleophilic substitution

c)

Free redical substitution

d)

Addition reaction

38.

Deduce the structure for B

a)

b)

c)

d)

39.

Deduce the structure for C

a)

b)

c)

d)

40.

Deduce the structure for E

a)

b)

c)

d)

100 %

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