Ox, Reduc, and Redox Flashcards
State what is meant by the term ‘oxidation’
Addition of oxygen to a substance
Loss of electrons
State what is meant by the term ‘reduction’
Removal of oxygen to a substance
Gain of electrons
State what is meant by the term ‘disproportionation’
When atoms of the same element are oxidised and reduced simultaneously
State what is meant by the term ‘oxidising agent’
Aids oxidation of another species by being reduced itself
State what is meant by the term ‘reducing agent’
Aids the reduction of another species by being oxidised itself
What are the 5 steps/rules for doing half equations?
1 - balance element of interest 2 - Balance any O's with H2O 3 - Balance any H's using H+ 4 - Balance any charges using e- 5 - Check your Ox numbers
What is the oxidation state for fluorine and other G7 atoms (except with F or O)?
-1
What is the oxidation state for oxygen (except in peroxides)?
-2
What is the oxidation state for hydrogen?
+1
What is the oxidation state for hydrogen in metal hydrides?
-1
What is the total of oxidation state in a compound?
0