Redox and Electrochemistry
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1.) Give the oxidation number of each element in the following:
KIF4
2.) Is the following reaction a redox reaction? If yes, then what is the oxidizing agent and what is the reducing agent.
3NO3(g)+H20(l)-----2HNO3(aq)+NO(g)
3.) Write the balanced net ionic equation for the following reaction. Tell what substance is oxidized and which is reduced.
A solution of nickel (II) sulfate is electrolyzed
4.) Write the balanced net ionic equation for the following reaction. Tell what substance is oxidized and which is reduced.
Solid zinc sulfide is burned in excess oxygen
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Solution Summary
This solution answers for physical chemistry questions, addressing oxidation numbers, redox reactions and net ionic equations.
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1) Assignment of oxidation number for elements requires a little knowledge of the periodic table. Fluorine has the highest electronegativity and is always -1 (except when bonded to itself) and group 7 are usually -1 as well..... Group 1 is almost always +1.
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