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12. [3 marks] Answer the following questions using the Frost diagram on the right: (a) What is the most stable oxidation
Posted: Fri Mar 04, 2022 10:32 am
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- 12 3 Marks Answer The Following Questions Using The Frost Diagram On The Right A What Is The Most Stable Oxidation 1 (186.07 KiB) Viewed 84 times
12. [3 marks] Answer the following
questions using the Frost diagram on the right: (a) What is the most stable oxidation state of nickel in acidic solution? [1] Frost diagram for nickel 3 NiO2 2 1 (b) Show a balanced equation for a possible comproportionation reaction of nickel species in basic solution. [2] nE° (V) Ni pH = 0 pH = 14 NiO2 0 Ni2 -1 Ni(O)OH Ni(OH)2 -2 0 1 2 3 4 Oxidation number