UNIT 6-REDOX REACTIONS🤎

Question 1

define a redox reaction, oxidation (4) and reduction (4)

Answer 1

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Question 2

write two half equations for oxidation and reduction (to practice the skill of writing half equations)

Answer 2

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Question 3

mention all the oxidation number rules for uncombined elements, group 1 elements, group 2 elements, fluorine, hydrogen, oxygen, a compound, an ion, a compound and ion (9)

Answer 3

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Question 4

work out the oxidation states of the following; N in NH3, O in O2, O in H2O2, S in SO4^2-, Fe in Fe2O3, VO^2+

Answer 4

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Question 5

define disproportionation in terms of electron transfer and changes in oxidation number

Answer 5

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Question 6

explain what an oxidising agent and what a reducing agent is

Answer 6

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Question 7

practice balancing equations using oxidation numbers (practice using examples in the textbook)

Answer 7

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