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Carbon Compounds

Total questions: 30

Worksheet time: 24mins

Name
Class
Date
1.

Which of the following is a secondary alcohol

a)

CH3CH20H

b)

CH3CH(OH)CH3

c)

CH3CH2CH2CH2(OH)

d)

CH3OH

2.

This is an example of a

a)

straight carbon chain

b)

branched carbon chain

c)

carbon ring structure

3.

State the type of reaction of the above reaction.

a)

Nucleophilic Addition Reaction

b)

Electrophilic Substitution reaction

c)

Free Radical Substitution reaction

d)

Rearrangement

4.

How many steps of mechanism for Free Radical Substitution Reaction of Alkane.

a)

1

b)

2

c)

3

d)

4

5.

What is the name of step for the mechanism above.

a)

Chain Elimination Step

b)

Chain Initiation step

c)

Chain Termination step

d)

Chain Propagation step

6.

What is the major product formed for this reaction.

a)
b)
c)
d)
7.

What step in Free Radical Substitution Reaction Mechanism that can be repeated to form above products.

a)

Chain Propagation Step

b)

Chain Termination Step

c)

Chain Initiation Step

d)

Chain Elimination Step

8.

What is the observation obtained when alkene react with acidified KMnO4

a)

decolourize purple solution

b)

decolourize reddish brown solution

c)

decolourize blue solution

d)

yellow precipitate formed

9.

what is the name of the reaction when alkenes react with HCl?

a)

Hydrogenation

b)

Halogenation

c)

Hydrohalogenation

d)

Hydration

10.
Name the following molecule?
a)
2,3-dichlorobutene
b)
cis-2,3-dichlorobutene
c)
trans-2,3-dichlorobutene
11.
Name this Molecule
a)
butane
b)
cyclohexane
c)
3-methylpentane
d)
4-ethylpentane
12.

Name this type of reaction

a)

hydrogenation

b)

hydrolysis

c)

hydration

d)

dehydration

13.

Select two ways to make an alcohol

a)

hydrogenation

b)

hydration

c)

fermentation

d)

condensation

14.

Name the ester produced from methanol and hexanoic acid

a)

methylhexanoic

b)

hexylmethanoate

c)

methylhexanoate

d)

hexanoatemethyl

15.

At 180oC alcohols undergo dehydration with conc. H2SO4. What is the major product of the following dehydration reaction based on Saytzeff's Rule?

a)

2-methybut-2-ene

b)

2-methylbut-3-ene

c)

3-methylbut-3-ene

d)

3-methylbut-1-ene

e)

n-butene

16.

When ethanol is oxidised with potassium dichromate, K2Cr2O7, the organic product is

a)

ethanol

b)

ethene

c)

ethanoic acid

d)

ethanal

17.

Potassium dichromate K2Cr2O7 is

a)

a reducing agent

b)

an oxidising agent

c)

an addition reagent

d)

an elimination reagent

18.

Name the following

a)

2,4,6-Trinitrotoluene

b)

Trinitro benzene

c)

1,3,5-Trinitrotoluene

19.

Which is the correct drawing of o-bromonitrobenzene?

a)
b)
c)
d)
20.

Why does benzene undergo substitution reactions rather than addition reactions

a)

Benzene is a planar, aromatic compound

b)

All the carbon atoms in benzene is sp2 hybridised

c)

All the carbon-carbon bonds in benzene is strong

d)

Benzene has extra stability due to the delocalized π electrons

21.

Aromatic compounds usually undergo which type of reaction

a)

Electrophilic substitution reaction

b)

Electrophilic addition reaction

c)

Nucleophilic substitution reaction

d)

Nucleophilic addition reaction

22.

Write the name of scientist who gave the structure of benzene first.

(a)  

23.

The bond length of c-c bond in benzene is

a)

1.45 A

b)

1.38A

c)

1.33A

d)

1.23A

24.

Resonance stabilized is due to

a)

strong covalent bond

b)

strong pi bond

c)

delocaloisation of pi electrons

d)

delocalisation of sigma electrons

25.
Can alkanes undergo reactions? 
a)
Yes, they can undergo substitution reactions like halogenation
b)
No, they cannot undergo any reactions
c)
No, the stable molecules do not like to react
d)
Yes, they undergo hydrogenation
26.
What colour does bromine water turn in the presence of an alkene
a)
Orange
b)
Blue
c)
Colourless
d)
Green
27.

What is the observation obtained when alkene react with acidified KMnO4

a)

decolourize purple solution

b)

decolourize reddish brown solution

c)

decolourize blue solution

d)

yellow precipitate formed

28.
Name this compound
a)
2,2-dimethyl-4-ethylhexane
b)
4-ethyl-2,2-dimethylhexane
c)
3-ethyl-5,5-dimethylhexane
d)
4-ethyl-2-methylhexane
29.

What is the name of this compound?

a)

o-pheno

b)

m-phenol

c)

o-chlorophenol

d)

p-chlorophenol

e)

m-chlorophenol

30.

IUPAC name for this compound is

a)

3-methylnitrobenzene

b)

3-nitromethylbenzene

c)

m-toluenenitrobenzene

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