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IB Chemistry Revision Quiz
IB Chemistry Revision Quiz
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A finals prep quiz for the new 2014 IB Chemistry syllabus.
Flashcards
42 cards
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Practice quiz
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Questions
42
Answers
1
The reactivity of alkali metals and halides down a group is...
B
C
D
A
2
When calculating with weak acids, which assumption is made?
it is completely dissociated in solution
equilibrium concentration & initial concentration are equal
exactly half of it has dissociated in solution
equilibrium concentration is ½ of the initial concentration
3
Salts derived from a strong acid and weak base in solution will be...
depends on the type of weak acid
basic
neutral
acidic
4
Properties of transition metals include...
I and II
I and III
II and III
I, II, and III
5
The first ionization of energy of oxygen can be written as...
O (g) --> O+ (g) + e-
O2 (g) --> 2O+ (aq) + 2e-
O (g) --> O+ (aq) + e-
O2 (g) --> O2+ (g) + e-
6
Across the period cations have...
II and III
I and II
I and III
I, II, and III
7
The smallest lattice enthalpy is for an ion with...
B
C
A
D
8
Dynamic equilibrium is achieved when…
fixed concentration of reactants & products in closed system
fixed concentration of products in a closed system
fixed concentration of reactants & products in open system
fixed concentration of products in an open system
9
Which ions will be deflected most in a mass spectrometer?
small size, small charge
large size, small charge
small size, large charge
large size, large charge
10
Isotopes have...
differing chemical properties, identical physical properties
differing chemical and physical properties
identical chemical and physical properties
identical chemical properties, differing physical properties
11
Which is
not
part of collision theory?
geometry of particle
collision of particles
activation energy
catalytic properties
12
In comparison to pure metals, alloys are...
more ductile
more malleable
softer than its constituent metals
lower melting points than their constituent metals
13
Acid rain is caused only by...
excess CO2
depletion of the ozone layer
excess CFC pollution
nitrogen and sulfur oxides
14
In what type of compounds does hydrogen have an oxidation state of -1?
strong hydroxide bases
metal hydrides
hydrocarbons
weak acids
15
Down the group 17 oxidising agents have...
decreasing reducing ability
decreasing oxidising ability
increasing reducing ability
increasing oxidising ability
16
Electrical conduction can be carried out by...
II and III
I, II, and III
I and II
I and III
17
Which is not a method to lower/counteract the effects of acid rain?
switch to alternative methods of energy
lower the amount of nitrogen and sulphur oxides formed
decreasing CO2 concetrations in the atmosphere
liming lakes
18
If a voltaic cell has a half cell of a metal below hydrogen in the activity series...
D
A
B
C
19
Which type of wave possesses the most energy?
small frequency, small wavelength
small frequency, high wavelength
high frequency, small wavelength
high frequency, high wavelength
20
What is the electron configuration of a tin ion (Sn
2+
) ?
1s22s22p63s23p63d14s1
1s22s22p63s23p63d2
1s22s22p63s23p64s13d1
1s22s22p63s23p64s2
21
With which metals in the activity series will react with acid to form salt and hydrogen gas?
those below hydrogen
those below copper
those above hydrogen
those above copper
22
Magnetic complexes with unpaired electrons are...
paramagnetic
diamagnetic
not magnetic
ferromagnetic
23
When two different gases are at the same temperature and pressure...
I and III
II and III
I and II
I, II, and III
24
The position of equilibrium corresponds to...
maximum ΔGθ, maximum entropy
minimum ΔGθ, maximum entropy
minimum ΔGθ, minimum entropy
maximum ΔGθ, minimum entropy
25
Which of these does
not
increase entropy?
separating different types of particles
increased movement of particles
change in state where distance between particles increases
increasing the number of particles
26
The electron affinity of sodium is best represented by the following equation...
Na (s) + e- --> Na- (aq)
Na (s) --> Na+ (aq) + e-
Na (g) --> Na+ (g) + e-
Na (g) + e- --> Na- (g)
27
What does the molecularity of a species refer to in a chemical reaction?
the number of species involved in any step
the number of species involved in the first step
the number of species involved in the rate determining step
the number of species involved in all steps combined
28
The strength of metallic bonds depends on...
both I and II
only I
neither I nor II
only II
29
Which factor does
not
affect the colour of a transition metal compound?
the magnetic properties of the metal ion
the identity of the ligand
the stereochemistry of the complex
the oxidation state of the metal ion
30
The pH of a solution depends on...
only II
only I
both I and II
neither I nor II
31
In a basic solution, which colors will the following indicators have?
D
B
C
A
32
Which factor affects the value of K
c
?
change in pressure
adding a catalyst
change in temperature
change in concentration
33
In emission spectra the following types of waves are emitted in which energy level transitions?
C
D
B
A
34
Which is
not
a factor affecting the position of equilibrium?
change in pressure
change in concentration
change in temperature
adding a catalyst
35
Which substance does
not
conduct electricity?
Molten salt
Hydrocarbons
Graphite
Strong acidic solution
36
In an electrolytic cell the number of electrons flowing through the system depends on...
only the time for which electricity flows
only the current
neither
both
37
The weaker the weak base...
the smaller Kb and pKb
the larger Kb and pKb
the smaller Kb and the larger pKa
the larger Kb and smaller pKb
38
In a closed system...
energy is transferred to the surroundings
macroscopic properties remain constant
energy is transferred from the surroundings
microscopic properties remain constant
39
The coordination number refers to...
the number of lone pairs on a ligand
charge of an ion
the number of unpaired electrons
number of lone pairs bonded to a metal ion
40
Bond enthalpies are best represented by the equation...
X-Y (s) ⇄ X (s) + Y (s)
X (g) + Y (g) → X-Y (g)
X-Y (g) ⇆ X (g) + Y (g)
X-Y (g) → X (g) + Y (g)
41
Aminoethane is a...
strong base
weak base
weak acid
strong acid
42
Which is
not
a molecular shape of tetrahedral electron domain geometry?
trigonal pyramidal
bent / V-shaped
tetrahedral
square planar
