Oxidation and reduction Flashcards
1
Q
What is the definition of oxidation?
A
Loss of electrons
Increase in oxidation number
Loss of hydrogen
2
Q
What is the definition of reduction?
A
Gain of electrons
Decrease in oxidation number
Gain of hydrogen
3
Q
What is a reducing agent?
A
Gets oxidised = loss of electrons
Oxidation number increases
4
Q
What is an oxidising agent?
A
Gets reduced = gain of electrons
Oxidation number decreases
4
Q
What does disproportionation mean?
A
Specific type of redox reaction
Where the same element is both oxidised & reduced
4
Q
What do the roman numerals stand for in a compound?
A
Oxidation number
