wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Year 12 chem End of year Quiz

Total questions: 69

Worksheet time: 3615secs

Name
Class
Date
1.
At what time the reaction reached equilibrium?
a)
t1
b)
t2
c)
t3
d)
t4
2.
Which of the two graphs reaches equilibrium?
a)
The left one.
b)
The right one.
c)
Both of them.
d)
Neither.
3.
For the reaction...
SO2 + O2  <=>  SO3
If the concentration of SO2 is increased, the equilibrium position of the reaction will shift ___________.
a)
to the left
b)
to the right
c)
to the left and right 
d)
neither left nor right
4.
For the reaction...
N2  +  O2  <=>  2NO
If  O2 is removed, the  concentration of N2 will _______.
a)
increase
b)
decrease
c)
remain the same
d)
double
5.
For the reaction...
N2 (g) +  3 H2 (g) <=> 2 NH3 (g)

If the pressure in the system is increased,  which substance(s) will increase in concentration?
a)
N2  (as 2 mol gas  → 4 mol gas)
b)
H2 (as 2 mol gas  → 4 mol gas)
c)
N2 and H2 (as 2 mol gas  → 4 mol gas)
d)
NH3 (as 4 mol gas  → 2 mol gas)
6.
For the reaction...
N2  +  O2  <=>  2NO:  Δ H = +182 kJ mol-1.
If the temperature is increased the equilibrium position will shift _______.
a)
to the left
b)
to the right
c)
to the left and right
d)
neither left nor right
7.
Which of the following shows the correct conjugate acid base pair?
a)
HCI (acid) / H3O+ (conjugate base)
b)
HCI (acid) / CI- (conjugate base)
c)
HCI (base) / CI- (conjugate acid)
d)
HCI (base) / H3O+ (conjugate acid)
8.
Which of the following shows the correct conjugate acid base pair?
a)
H2O (base) / H3O+ (conjugate acid)
b)
H2O (acid) / CH3COO- (conjugate base)
c)
CH3COOH (acid) / H3O+ (conjugate base)
d)
CH3COOH (base) / CH3COO- (conjugate acid)
9.
HCI dissociates completely and is irreversible. Why?
a)
HCI is a strong acid and CI- is a weak base
b)
H2O is a weak base
c)
CI- is a strong conjugate base, will not accept H+ from H3O+
d)
CI- is a weak conjugate base, will not accept H+ from H3O+
10.
What is the Kc expression for this reaction?
   2 NO(g)  +  O2(g) ⇌  2 NO2(g)
a)
Kc = [NO2]2 / [NO]2 [O2]
b)
Kc =  [NO]2 [O2] / [NO2]2
c)
Kc = [NO]2 [O2] [NO2]2
d)
Kc = [NO2]2 / [NO]2 +  [O2]
11.
What are [A] and [B]?
a)
concentration of reactants
b)
concentration of products
c)
energy of reactants
d)
energy of products
12.
The following reaction :    
SO2 (g) +  NO2 (g) <=> SO3 (g) + NO (g)  
had reached a state of equilibrium, was found to contain  
0.40 mol L-1 SO3 , and 0.30 mol L-1 NO,
0.15 mol L-1NO2 , and 0.20 mol L-1 SO2.
Calculate the equilibrium constant  for this reaction. 
a)
4
b)
.42
c)
.25
d)
1
13.

For a solution, pH + pOH =

a)

7

b)

14

c)

1.0 x 10-14

d)

-log (1.0 x 10 -14)

14.

If the pH of a solution is 4.0, what is the pOH?

a)

4.0

b)

10.0

c)

1.0 x 10 -4

d)

cannot be determined from the information

15.

The pH of a solution is 8.43. What is the [H3O+]concentration?

a)

3.7 x 10 -9

b)

1.0 x 10-8.43

c)

2.7 x 10-6

d)

1.0 x 10-14

16.

Oranges have a [H3O+] of 1.7 x 10-2 M. Their pOH is

a)

1.77

b)

12.23

c)

10.91

d)

3.09

17.

The following solution mixture which is/are buffer . . .

a)

NaH2PO4 and Na2HPO4

b)

NH3 and (NH4)2SO4

c)

HCOOH and Ba(HCOO)2

d)

H3PO4 and NaH2PO4

e)

NaOH and Ba(HCOO)2

18.

The following mixture of solutions that form a buffer solution is . . .

a)

50 mL CH3COOH 0.2 M and 50 mL NaOH 0.1 M

b)

50 mL CH3COOH 0.2 M and 100 mL NaOH 0.1 M

c)

50 mL HCl 0.2 M and 100 mL NH4OH 0.1 M

d)

50 mL HCl 0.2 M and 50 mL NH4OH 0.1 M

e)

50 mL HCl 0.2 M and 100 mL NaOH 0.1 M

19.
Acidic buffer is made up of
a)
weak acid and weak base
b)
weak acid and its conjugate salt
c)
weak acid and its conjugate base
d)
strong acid and its conjugate base
20.
Which combination will form a buffer solution?
a)
100ml of 0.1M HCI with 50ml of 0.1M NaOH
b)
100ml of 0.1M CH3COOH with 50ml of 0.1M NaOH
c)
50ml of 0.1M HCI with 100ml of 0.1M NaOH
d)
50ml of 0.1M CH3COOH with 100ml of 0.1M NaOH
21.

To deliver a fixed accurate volume of a solution, use a

a)

pipette

b)

burette

c)

dropper

d)

beaker

22.

The point in an acid-alkali titration at which the reactants just react completely with each other is called the __________ point.

a)

end point

b)

equivalence point

23.

__________ is a suitable indicator for the titration of a strong acid and a weak alkali.

a)

Methyl orange

b)

Phenolphthalein

c)

Litmus solution

d)

Universal indicator

24.

What volume of water is required to dilute 120 cm3 of 10 mol dm–3 sulphuric acid to a concentration of 2 mol dm–3?

a)

360 cm3

b)

480 cm3

c)

600 cm3

d)

720 cm3

25.

2019 Q7 a (ii)

a)

H2O + NH3 ⇌ NH4 + + OH–

b)

H2O + NH3 ⇌ NH2 + + OH2–

c)

NH3 ⇌ NH4

d)

H2O + NH3 ⇌ NH5 + + OH2–

26.

Oxidation occurs at the...

a)

anode

b)

cathode

27.

In a Galvanic Cell, the anode is...

a)

positive

b)

negative

28.

Ecell =

a)

Ered - Eox

b)

Ered + Eox

c)

Eox - Ered

d)

Eox + Ered

29.

In a Galvanic Cell, the salt bridge...

a)

completes the circuit so that electrons can flow through the wire

b)

maintains charge balance

c)

is soaked in an unreactive electrolyte such as KNO3

d)

all of the above

30.

A certain galvanic cell has for its spontaneous cell reaction: Zn + HgO → ZnO + Hg

Which is the half-reaction occurring at the anode?

a)

HgO + 2 e- → Hg + O2-

b)

Zn2+ + 2 e- → Zn

c)

Zn → Zn2+ + 2 e-

d)

ZnO + 2 e- → Zn

31.

What is the standard electrode which all other standard electrode potentials are measured against?

a)

helium

b)

hydrogen

c)

magnesium

d)

potassium

32.
Consider the galvanic cell given.
Which of the following deductions about this cell is correct?
a)
Oxidation is occurring in half-cell 2
b)
The positive electrode is in half-cell 2
c)
Oxidation is occurring in half-cell 1
d)
The negative electrode is in half-cell 1
33.

A VCE chemistry student sets up a galvanic cell using two standard half-cells with half reactions.

Half-cell 1: Cr3+(aq)+e-→Cr2+(aq)

Half-cell 2: Cr(s)→Cr2+(aq)+2e-

Using this information, we can determine that;

a)

Half-cell 1 is the anode, where oxidation occurs

b)

Half-cell 1 is the cathode, where reduction occurs

c)

No spontatneous reaction will occur, since only chromium is involved

d)

Cr3+ is the reductant, since it undergoes reduction

34.

What are the products when molten sodium oxide is electrolysed?

a)

Na2 and O2

b)

Na+ and O2-

c)

Na and O

d)

Na and O2

35.

In sodium chloride solution, there are two cations present: Na+ and H+. Which will discharge at the cathode?

a)

Na+ to make Na metal

b)

H+ to make H2 gas

36.

What are the products when copper chloride solution is electrolysed?

a)

Cu and Cl2

b)

Cu and O2

c)

H2 and O2

d)

H2 and Cl2

37.

What are the products when sodium sulfate solution is electrolysed?

a)

Na and S

b)

Na and O2

c)

H2 and O2

d)

H2 and S

38.

What does amphoteric mean?

a)

Acts as an acid

b)

Acts as a base

c)

Acts as an alkali

d)

Acts as both an acid and a base

39.

What functional group is -OH

a)

Hydroxyl

b)

Carboxyl

c)

Amino

d)

Carbonyl Ketone

40.
Classify the compound based on the functional group present.
a)
carboxylic acid
b)
aldehyde
c)
alcohol
d)
ether
41.

Classify the compound based on the functional group present.

a)

aldehyde

b)

ketone

c)

alcohol

d)

carboxyl

42.

-COO is the functional group for...

a)

alcohols

b)

esters

c)

carboxylic acids

d)

amides

43.

Name this carboxylic acid

a)

ethanoic acid

b)

prpoanoic acid

c)

butyl butanoate

d)

butanoic acid

44.

Name this ester

a)

ethyl ethanoate

b)

propyl ethanoate

c)

methyl ethanoate

d)

ethyl methanoate

45.

what is IUPAC name of following structure tert. butyl alcohol?

a)

2 - methoxy propane

b)

2 - methyl 2 - propanol

c)

2 - methyl propanol

d)

2 - methoxy butane

46.

What is IUPAC name of following structure?

a)

Butan - 1,4 - dioic acid

b)

Prop - 1,3 - dioic acid

c)

Pent - 1,4 - dioic acid

d)

ethan - 1,2 - dioic acid

47.
Proteins are composed of what smaller subunits?
a)
amino acids
b)
nucleic acids
c)
fatty acids
d)
nucleotides
48.
Lipids can be digested into what smaller subunits?
a)
nucleic acids
b)
amino acids
c)
fatty acids
d)
glucose
49.

Once formed, it can be heated and reformed over and over again

a)

thermoset

b)

thermoplastic

c)

elastomer

d)

kevlar

50.

One explanation for Teflon's low coefficient of friction, hydrophobic and biologically inert properties is.

a)

The electronegativity of Fluorine

b)

The thin, smooth surface is impossible for another molecule to create a cross-link

c)

The IMF of the individual monomers in the structure make it difficult for other molecules to bond.

d)

The highly branched and cross-linked nature of the polymer doesn't create any areas of adhesion for other molecules.

51.

What is the name of the addition polymer?

a)

poly(bromoethane)

b)

poly(bromoethene)

c)

poly(bromoethanol)

52.

Identify the type of polymer involved

a)

addition polymer

b)

polyester

c)

polyamide

53.

Identify the type of polymer involved

a)

addition polymer

b)

polyester

c)

polyamide

54.

Identify the type of polymer involved

a)

addition polymer

b)

polyester

c)

polyamide

55.

Identify the polymer made from these monomer(s)

a)
b)
56.

Which alkene is used to prepare the polymer shown?

a)

tetrafluoroethene

b)

1,1,2,2-tetrafluoroethane

c)

1, 2-difluoroethene

57.

Which two compounds react to form the polymer shown?

a)

propan-1,3-diol and methandioic acid

b)

ethan-1,2-diol and ethandioic acid

c)

methandiol and propandioic acid

58.

Are these statements about amino acids true or false?

In the solid state amino acids exists as zwitterions

a)

true

b)

false

59.

Are these statements about amino acids true or false?
The primary structure of the protein is how the chains fold into  β\beta  -pleated and coil into  ∝\propto  -helix

a)

true

b)

false

60.

What's the correct definition of these keywords?

condensation polymerisation

a)

A type of polymerisation in which two molecules react via a hydrolysis reaction

b)

A type of polymerisation in which two molecules react with the addition of a molecule of water

c)

A type of polymerisation in which two molecules react with the elimination of a water molecule

61.

What's the correct definition of these keywords?

polyester

a)

A condensation polymer formed from a dicarboxylic acid and an alkene

b)

An addition polymer formed from a dicarboxylic acid and a diol

c)

A condensation polymer formed from a dicarboxylic acid and a diol

62.

What's the correct definition of these keywords?

peptide bond

a)

The bond formed when two amino acids join by a condensation reaction to form a peptide, and represented by -CONH-

b)

The bond that maintains a protein's tertiary structure, and which forms between two cysteine amino acids

c)

The bond formed when two amino acids join by a condensation reaction to form a peptide, and represented by -CNOH-

63.

Which of these structures is a zwitterion?

a)
b)
c)
64.

The structure below is the amino acid valine. What is its structure when in a solution of high pH?

a)
b)
c)
65.

The stucture below is the amino acid glycine. What is its structure when two glycine molecules form a peptide bond?

a)
b)
c)
66.

Hydrogen bonds do not play a part in which level of structure of a protein?

a)

primary

b)

secondary

c)

tertiary

67.

Iron is the catalyst used in the Haber process. Which of the following statements about the action of iron in the process is/are correct?

(1) It increases the rate of forward reaction more than that of the backward reaction.

(2) It shortens the time to reach equilibrium.

(3) It shifts the equilibrium position to the product side.

a)

(1) only

b)

(2) only

c)

(1) and (3) only

d)

(2) and (3) only

68.

If 12.8 g of NH3 is completely oxidized to HNO3, what is the theoretical yield of HNO3?

(Relative atomic masses: H = 1.0, N = 14.0, O = 16.0)

a)

27.7 g

b)

47.4 g

c)

66.5 g

d)

94.5 g

69.

Refer to the following reaction in the production of urea:

2NH3 + CO2 ---> X ---> (NH2)2CO + H2O


If 17.0 g of NH3 is used in the reaction and 24.0 g of urea is produced, what is the percentage yield of urea for the reaction?

(Relative atomic masses: H = 1.0, C = 12.0, N = 14.0,

O = 16.0)

a)

60%

b)

70%

c)

80%

d)

90%

Similar Resources on Wayground

Atoms Review

70 questions

Atoms Review

quiz

Worksheet

•

10th - 12th Grade

Organization of the PToE

70 questions

Organization of the PToE

quiz

Worksheet

•

10th - 12th Grade

🧲 Acid/Base Properties 🥼

70 questions

🧲 Acid/Base Properties 🥼

quiz

Worksheet

•

9th - 12th Grade

11-13 SUPRISE Quick TEST II !

72 questions

11-13 SUPRISE Quick TEST II !

quiz

Worksheet

•

10th - 12th Grade

Bonding Review

70 questions

Bonding Review

quiz

Worksheet

•

10th - 12th Grade

(PAP) Foundations of Chemistry

65 questions

(PAP) Foundations of Chemistry

quiz

Worksheet

•

10th - 12th Grade

PES 1st Semester REVIEW

70 questions

PES 1st Semester REVIEW

quiz

Worksheet

•

8th - 12th Grade

CHEMISTRY DIAGNOSTIC TEST

65 questions

CHEMISTRY DIAGNOSTIC TEST

quiz

Worksheet

•

12th Grade