9701 March 2016 Paper 42 Worked Solutions | Chemistry
Question 1
Complete the diagrams to show the energies of the electrons in a carbon atom, a C+ ion and a C– ion.
Question 3
In an isolated transition metal atom the five d orbitals have the same energy. When a transition metal ion forms a tetrahedral complex the d orbitals are split into two groups of different energies.
Question 5
Some reactions of chromium ions are shown below.
Question 6
Two elements, V and W, are in adjacent groups in the Periodic Table.
Solutions provided by Kashish Varshney, India
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