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CHAPTER 2 CARBON COMPOUND CHEMISTRY FORM 5 KSSM

Total questions: 100

Worksheet time: 1hrs 14mins

Name
Class
Date
1.

a)

A

b)

B

c)

C

d)

D

2.

a)

A

b)

B

c)

C

d)

D

3.

a)

A

b)

B

c)

C

d)

D

4.

a)

A

b)

B

c)

C

d)

D

5.

a)

A

b)

B

c)

C

d)

D

6.

a)

A

b)

B

c)

C

d)

D

7.

a)

A

b)

B

c)

C

d)

D

8.

a)

A

b)

B

c)

C

d)

D

9.

a)

A

b)

B

c)

C

d)

D

10.

a)

A

b)

B

c)

C

d)

D

11.

a)

A

b)

B

c)

C

d)

D

12.

a)

A

b)

B

c)

C

d)

D

13.
Name the compound.
a)
hexane
b)
2,3-dimethylbutane
c)
ethylbutane
d)
2,2-dimethylbutane
14.
Molecules with the same formula but different structures are known as:
a)
ions
b)
isomers
c)
isotopes
d)
ionic bonds
15.
Name the following
a)
4-ethyl-6-methyl nonane
b)
3-propyl-5-methyl octane
c)
2,4-dipropyl hexane
d)
4-ethyl-2-propyl heptane
16.

General formula of Alkene is

a)

CnH2n+2

b)

CnH2n+1OH

c)

CnH2n

17.

Propene reacts with steam in the presence of concentrated phosphoric acid as catalyst at temperature 300°C and pressure 60 atm to produce compound X

what is compound X?

a)

C3H6

b)

C3H8

c)

C3H7OH

18.

Hitungkan jisim molekul relatif sebatian Y tersebut .

Calculate the relative molecular mass of compound Y.


[Jisim

atom relatif: H=1, C=12] / [Relative atomic mass: H=1, C=12]

(a)  

19.

Apakah yang dimaksudkan dengan isomer ?

What is meant by isomer?

a)

Molecular formula that shows the type and number of atoms of each element in a molecular compound.

b)

A phenomenon where a compound has the same molecular formula but different structural formula

c)

Molecular structures that have different chemical properties but the same physical properties

20.

Nyatakan dua sifat fizik bagi sebatian X dan Y

State two physical properties of compound X and Y

a)

Insoluble in water

b)

Soluble in water

c)

Charged molecules

d)

Conduct electricity in aqueous and molten state

e)

Does not conduct electricity

21.

Dalam tindak balas I, sebatian P ditindakbalaskan dengan

wap air untuk menghasilkan sebatian R.

In reaction I, compound P is reacted with steam to produce compound R.

Nyatakan syarat-syarat bagi tindak balas I

State the conditions for reaction I

a)

Phosphoric acid

b)

temperature 300 degree C

c)

Pressure 60 atm

d)

Heat under reflux

e)

Concentrated sulphuric acid

22.

Sebatian X adalah bukan hidrokarbon. Jelaskan.

Compound X is a nonhydrocarbon compound. Explain.

a)

Produce less soot

b)

Have high melting and boiling points

c)

Have other elements besides C and H in its compounds

d)

Have isomers

e)

Form carbon dioxide and water upon combustion

23.

Which formula represents a saturated hydrocarbon?

a)

A

b)

B

c)

C

d)

D

24.

Which is the structure of

2,2,4-trimethylpentane?

a)
b)
c)
d)
25.

Which is a molecular formula?

a)
b)

C4H9Cl

26.

This structure belongs to the group called

a)

alkane

b)

alkene

c)

alcohol

d)

carboxylic acid

27.

What is a functional group?

a)

Group of atoms that give specific characteristics to a molecule

b)

Group of molecules that give specific characteristics to an atom

c)

Group of molecules that make up a group of atoms

d)

Group of atoms that give specific characteristics to an element

28.

Butane and pentane are in the same homologous series because

a)

they have the same general formula

b)

they are differ from each other by a -CH2 group.

c)

they can be prepared using similar methods.

d)

they have the same physical properties.

29.

A homologous series is series of compounds which

a)

have the same general formula

b)

differ from each other by a -CH2 group in the molecular formula

c)

show a gradual change in physical properties

d)

have similar chemical properties

30.

Both pentane and pentene can react with bromine water under the presence of sunlight but they do not belong to the same homologous series because

a)

they have different molecular size

b)

their melting point and boiling point not the same

c)

they do not have the same functional group

d)

they differ from each other by a -H2 group in the molecular formula

31.

Alcohol exists as liquid at room temperature

a)

yes

b)

no

32.

Carboxylic acid exist as liquid at room temperature

a)

yes

b)

no

33.

Solubility decreases in alcohol when the number of carbon is increases

a)

yes

b)

no

34.

Compound Q has the following properties.

- soluble in water

- boiling point is 780C

What is compound Q

a)

Ethane

b)

Ethene

c)

Ethanol

d)

Ethanoic acid

35.

Possible products of INCOMPLETE combustion

a)

Carbon (C)

b)

Carbon Monoxide (CO)

c)

Carbon Dioxide (CO2)

d)

Water (H2O)

36.

Which of the following can be used to distinguish between alkanes and alkenes?

a)

add a few drops of aqueous bromine

b)

add a few drops of Universal indicator

c)

add a piece of blue litmus paper

d)

add a piece of red litmus paper

37.

Which of the following statement is correct?

a)

Alkenes can turn aqueous bromine from reddish-brown to colourless.

b)

Alkenes can turn aqueous bromine from colourless to reddish-brown.

c)

Alkanes can turn aqueous bromine from reddish-brown to colourless.

d)

Alkanes can turn aqueous bromine from colourless to reddish-brown.

38.

Which are the following are all alkanes?

a)

methane, ethane, propane

b)

methane, ethene, propene

c)

methene, ethene, propene

d)

ethene, propene, butene

39.

What are the conditions for cracking?

a)

solid catalyst of aluminium oxide and silicon dioxide, at 600oC

b)

nickel catalyst at 200oC

c)

nickel catalyst at 600oC

d)

solid catalyst of aluminium oxide and silicon dioxide, at 200oC

40.

Alkanes undergo substitution by chlorine only in the presence of

a)

UV light

b)

oxygen

c)

water

d)

aqueous bromine

41.

Which of the following reactions apply to alkenes only

a)

cracking

b)

substitution

c)

addition

d)

combustion

42.

Alkanes and alkenes molecules are held together by

a)

weak covalent bond

b)

weak London forces of attraction

c)

strong covalent bonds

d)

both covalent and London forces

43.

Which statement is correct regarding the amount of carbon dioxide and water produced when 1 mole of butane and 1 mole of butene burn in excess oxygen?

a)

the amount of carbon dioxide produced by butene is less than butane

b)

the amount of carbon dioxide produced by butene is more than butane

c)

the amount of water produced by butene is less than butane

d)

the amount of water produced by butene is more than butane

44.

Alkenes undergo all the reactions below except

a)

combustion

b)

substitution

c)

addition

d)

polymerisation

45.

1 mole of ethene reacts with 0.5 mole of water according to the equation shown above. The percentage yield of the ethanol produced is 50%. What is the mass of ethanol produced? (RAM C=12, O=16, H=1)

a)

14g

b)

9g

c)

23

d)

11.5g

46.

Which of the following is the monomer for this polymer ?

a)

ethene

b)

ethane

c)

propane

d)

propene

47.

In polymer Z every carbon atom in the polymer chain is bonded to one hydrogen atom and one methyl group.

Which alkene could be polymerised to make polymer Z?

a)

but-1-ene

b)

but-2-ene

c)

methylpropene

d)

propene

48.
Which of the following undergoes addition reactions
a)
alkanes
b)
alkanes and alkenes
c)
alkanes and alkynes
d)
alkenes
49.
Which of the following does not contain only carbon and hydrogen
a)
alkanes 
b)
alkenes
c)
alkynes
d)
alkanols
50.

What is meant by an isomer?

a)

A molecule with the same structural formula but a different displayed formula

b)

A molecule with the same displayed formula but a different molecular formula

c)

A molecule with the same structural formula but a different molecular formula

d)

A molecule with the same molecular formula but a different displayed formula

51.

What problem is caused by both sulphur dioxide and nitrogen oxides?

a)

Global dimming

b)

Acid rain

c)

Global warming

d)

Toxic; stops haemoglobin transporting oxygen efficiently

52.

How are nitrogen oxides produced when burning fuels?

a)

The nitrogen impurities in the fuel react with oxygen from the air

b)

By complete combustion

c)

By nitrogen and oxygen in the air reacting together at high temperatures

d)

By incomplete combustion

53.

Out of alkanes and alkenes, which are more reactive and why?

a)

Alkanes, because they are more flammable

b)

Alkanes, because C-C are more easily broken than C=C

c)

Alkenes, because C=C are more easily broken than C-C

d)

Alkenes, because they have lost electrons to become ions

54.

What process is used to separate crude oil in hydrocarbons with different chain lengths?

a)

distillation

b)

fractional distillation

c)

cracking

d)

polymerisation

55.

What are the products of incomplete combustion?

a)

carbon monoxide

b)

water

c)

carbon

d)

hydrogen

56.

What are the products of incomplete combustion?

a)

carbon monoxide

b)

water

c)

carbon

d)

hydrogen

57.

What conditions are needed for cracking?

a)

high temperature

b)

high pressure

c)

catalyst

d)

low temperature

58.

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

59.

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

60.

The following is a product of the reaction between propane and chlorine: C3H8Cl

a)

TRUE

b)

FALSE

61.

The following is a product of the reaction between propane and chlorine: C3H8Cl2

a)

TRUE

b)

FALSE

62.

The following is a product of the reaction between propane and chlorine: C3H7Cl

a)

TRUE

b)

FALSE

63.

The following is a product of the reaction between propane and chlorine: C3H7Cl2

a)

TRUE

b)

FALSE

64.

The following is a product of the reaction between propane and chlorine: C3HCl7

a)

TRUE

b)

FALSE

65.

The following is a product of the reaction between propane and chlorine: HCl

a)

TRUE

b)

FALSE

66.

What color does bromine water turn in the presence of an alkane?

a)

Orange

b)

Blue

c)

Colorless

d)

Green

67.
What does incomplete combustion produce that complete combustion doesn't?
a)
Carbon monoxide
b)
Water
68.
What is the colour change when an alkene reacts with bromine water?
a)
Turns clear
b)
Turns orange
c)
From colourless to orange
d)
From orange to colourless
e)
Turns colourless
69.

What are the first 3 alkenes in increasing carbon chain length?

a)

Methene, ethene, propene

b)

Ethene, propene, pentene

c)

Ethene, propene, butene

d)

Butene, ethene, propene

e)

Methene, ethene, propane

70.

What conditions are necessary in the reaction of alkenes with hydrogen?

a)

300°C, Iron catalyst

b)

60°C, Nickel catalyst

c)

600°C, High pressure

d)

Low temperature, Nickel catalyst

e)

600°C, High temperature

71.

What is the suitable chemical tests to distinguish between propane and propene?

a)

Baeyer's Test and Bromine Test in dichloromethane

b)

Baeyer's Test and Lucas Test

c)

Brady Test and Tollen's Test

d)

Bromine Test in dicloromethane and Lucas Test

72.

Which name of reaction not in chemical reactions of alkene?

a)

Halogenation

b)

Hydrohalogenation

c)

Hydration

d)

Esterification

73.

What is the type of reaction in chemical reactions of dehydration?

a)

Addition

b)

Substitution

c)

Rearrangement

d)

Elimination

74.

What is the Markonikov's Rule?

a)

H atom add to the carbon atom of the duuble bond greater number of C atoms

b)

H atom add to the carbon atom of the double bond greater number of H atoms

c)

H atom add to the carbon atom of the double bond greater number of N atoms

75.

Which of the catalyst can not use in chemical reaction hydrogenation?

a)

Pd

b)

Pt

c)

Ps

d)

Ni

76.

C10H22 --> C5H12 + C3H6 + ?

a)

C2H4

b)

C3H4

c)

CO2

d)

CH4

77.

Alcohol can react with hydrogen halides to produce alkyl halides but not all hydrogen halides react spontaneously (need catalyst). Based on above information, which of the follwing reactions is correct?

a)

A

b)

B

c)

C

d)

D

e)

E

78.

Ether molecules are polar, but do not form hydrogen bonds with other ether molecules because:

a)

Ether molecules are so reactive that they never have an opportunity to form hydrogen bonds

b)

The molecules are generally too large

c)

There are too many hydrogen atoms on the molecules to bond with just one oxygen atom

d)

Only binary compounds form hydrogen bonds.

e)

There is no hydrogen atom bonded to the oxygen.

79.

The molecular formula of pentanoic acid is

a)

C5H11O2

b)

C5H9O2

c)

C5H10O

d)

C5H10O2

e)

C5H12O2

80.

Physical and chemical properties of alcohols are mainly due to the presence of hydroxyl group. Which of the following is not describe the physical properties of alcohols?

a)

Alcohols have higher boiling points than alkanes of similar molecular weight

b)

The boiling point increases with increase in branching in aliphatic carbon chains

c)

The boiling point of alcohols increases with increase in the number of carbon atoms in the aliphatic carbon chain

d)

Low-molecular-weight alcohols are completely soluble in water

e)

ethanol not soluble in n-hexane

81.

Which one of the isomeric alcohols of formula C5H12O can be prepared by reduction of a ketone with LiAlH4 ?

a)

Pentan-1-ol

b)

2-methylbutan-1-ol

c)

3-methylbutan-2-ol

d)

2,2-dimethylpropan-1-ol

e)

3-methylpentan-3-ol

82.

How many chain isomer that C5H10O2 (carboxylic acid only) has?

a)

4

b)

5

c)

6

d)

7

e)

8

83.

which of product will be obtained when 2-methyl-2-pentanol oxidized by K2Cr2O7?

a)

there is no reaction

b)

Ketone

c)

aldehyde

d)

ester

e)

carboxylic acid

84.

This functional group is the product from oxidation of a

a)

primary alcohol

b)

secondary alcohol

c)

tertiary alcohol

d)

no more alcohol please miss!

85.

What can be used to oxidise alcohols?

a)

MnO4-

b)

KMnO4/H+

c)

H+

d)

KMnO4

86.

What can be used to oxidise alcohols?

a)

K2Cr2O72-

b)

Cr2O72-/H+

c)

H+

d)

Cr2O72-

87.

What is the product from the oxidation of propan-2-ol?

a)

propandiol

b)

propanal

c)

propanoic acid

d)

propanone

88.

What is the functional group formed when conc. H2SO4 reacts with alcohols?

a)

alkene

b)

chloroalkane

c)

diol

d)

alkane

89.

How could you form an alcohol from an alkene?

a)

H2O/H+

b)

KOH(alc)

c)

KOH(aq)

d)

SOCl2

90.

Which would be the major product from the reaction of butan-2-ol with conc. H2SO4?

a)

but-1-ene

b)

but-2-ene

91.

Can propan-2-ol form major and minor products when reacted with conc. H2SO4?

a)

yes

b)

no

92.

Which would be the major product from the reaction of propene with H2O/H+?

a)

propan-1-ol

b)

propan-2-ol

93.
Classify the compound based on the functional group present.
a)
alkane
b)
alkene
c)
alkyne
d)
aromatic
94.
Classify the compound based on the functional group present.
a)
carboxylic acid
b)
aldehyde
c)
alcohol
d)
ether
95.

Select the formula for the following name: Butanol

a)

C4H9OH

b)

C4H10OH

c)

C4H10

d)

C4H7OH

96.

Which of the following must be true about ethanol?

a)

It has an amine functional group

b)

It is made from a 3 carbon chain

c)

It contains only single bonds

d)

All the above are true

97.

What is the name of the compound?

a)

2-chloropropan-1-ol

b)

2-chloropentan-1-ol

c)

3-chloropropanol

d)

2-bromopropan-1-ol

98.

What is the name of this compound?

a)

2-2,dichloropropane

b)

2,2-chloropropane

c)

2,2-dichloropropene

d)

2,2-dichloropropane

99.

What is the name of this compound?

a)

2,4-chlorohex-3-ene

b)

2,4-dichlorohexene

c)

2,4-dichlorohex-3-ene

d)

2,3,4-trichlorohexane

100.

What is the name of this compound?

a)

ethanoic acid

b)

methanoic acid

c)

propanoic acid

d)

carboxylic acid

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