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WorksheetsTransition Elements (no colours) OCR GCE Chemistry A Level
Total questions: 20
Worksheet time: 21mins
Why do OCR not classify Sc and Zn as transition elements?
They each have an incomplete d-subshell
They each have a complete d-subshell
They each form at least one ion with a complete d-subshell
Neither forms an ion with an incomplete d-subshell
With spaces between the subshells, write the full electron configuration of Fe
(a)
With spaces between the subshells, write the full electron configuration of Fe3+
(a)
With spaces between the subshells, write the full electron configuration of Cu
(a)
With spaces between the subshells, write the full electron configuration of Cu2+
(a)
OCR expect you to learn examples for two different TMs for what?
Reactive metals
Compounds with the TM in different oxidation states
Catalytic behaviour in industry
Catalytic behaviour in laboratories
Different coloured ions
A ligand exhibits coordinate bonding to a metal or metal (a) ?
A ligand that forms one coordinate bond is a (a) ligand
A ligand that forms three coordinate bonds is a (a) ligand
EDTA is a (a) dentate ligand
What would be the most likely charge on a CuBr4 complex ion?
+2
+1
0
-1
-2
What shape is CuBr4- ?
Square planar
Octahedral
Linear
Tetrahedral
What TM is present in a cis-platin complex?
(a)
What is the coordination number of [Cu(H2NCH2CH2NH2)3]2-
6
5
4
3
Which of these complexes exhibit cis-trans isomerism?
[Fe(H2O)2Cl4]2-
[Fe(H2O)3Cl3]-
[Fe(C2O4)2Cl2]4-
[NiCl2Br2]2-
[Fe(C2O4)2(H2NCH2CH2NH2)]2-
Which of these complexes exhibit optical isomerism?
[Fe(H2O)2Cl4]2-
[Fe(H2O)3Cl3]-
[Fe(C2O4)2Cl2]4-
[NiCl2Br2]2-
[Fe(C2O4)2(H2NCH2CH2NH2)]2-
When EDTA reacts with [Cu(H2O)6]2-, what kind of reaction is taking place?
ligand substitution
electrophilic addition
ligand addition
When 1mol EDTA reacts with 1mol [Cu(H2O)6]2- how many moles of product are there?
5
6
7
8
9
Cis-platin acts as an anti-cancer drug by binding to DNA, thus preventing ____ _____________.
(a)
Carbon monoxide poisoning is the result of what type of reaction?
Ligand substitution
Ligand elimination
Precipitation
Hydrolysis
Addition
