IB Chemistry HL Topic 3/13
Quiz by Lisa Volaric
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- Q1
What is the correct trend going down groups 1 and 17?
Melting points increase
Boiling points decrease
Electronegativities increase
Ionization energies decrease
120s - Q2
Which of these statements are correct?
I. Zinc is not a transition element.
II. Ligands are Lewis bases.
III. Manganese(II) chloride is paramagnetic.
I and III only
I and II only
II and III only
I, II, and III
120s - Q3
What is the effect of a stronger ligand?
D
B
C
A
120s - Q4
Which describes an atom of bismuth, Bi (Z = 83)?
C
A
D
B
120s - Q5
Which series represents atoms in order of decreasing atomic radius?
N > C > Be > Mg
Mg > Be > C > N
Mg > N > C > Be
Be > C > N > Mg
120s - Q6
Which electrons are removed from iron (Z = 26) to form iron(II)?
two 3d electrons
one 4s electron and one 3d electron
two 4p electrons
two 4s electrons
120s - Q7
How is colour produced in transition metal complexes?
Light is emitted when the complex returns to ground state.
Light is absorbed when electrons are promoted between split d-orbitals.
Light is absorbed when electrons escape from the complex.
Light is emitted when electrons fall between split d-orbitals.
120s - Q8
How do the following properties change down Group 17 of the periodic table?
A
D
B
C
120s - Q9
What is the oxidation state of the metal ion and charge of the complex ion in [Co(NH3)4Cl2]Cl?
A
D
C
B
120s - Q10
Which is correct for the complex ion in [Fe(H2O)5Cl]SO4?
D
B
C
A
120s - Q11
Which complex has the greatest d orbital splitting?
A
C
D
B
120s - Q12
Part of the spectrochemical series is shown for transition metal complexes.
I−< Cl− < H2O < NH3
Which statement can be correctly deduced from the series?
H2O increases the p–d separation more than Cl−.
Complexes with water are always blue.
H2O increases the d–d separation more than Cl−.
A complex with Cl− is more likely to be blue than that with NH3.
120s - Q13
CoCl6]3– is orange while [Co(NH3)6]3+ is yellow. Which statement is correct?
The different colours are due to the different charges on the complex.
The different ligands cause different splitting in the 3d orbitals.
[CoCl6]3– absorbs orange light.
The oxidation state of cobalt is different in each complex.
120s - Q14
Which electron configuration is that of a transition metal atom in the ground state?
[Ne]3s23p64s1
1s22s22p63s23p64s23d104p2
[Ar]4s13d5
[Ar]3d9
120s - Q15
What is the order of decreasing ionic radius?
Cl− > S2− > Al3+ > Mg2+
Mg2+ > Al3+ > Cl− > S2−
S2− > Cl− > Mg2+ > Al3+
S2− > Cl− > Al3+ > Mg2+
120s
