1.7 redox Flashcards
1
Q
definition of redox
A
when oxidation and reduction occur in the same reaction
2
Q
oxidation can be 2 things
A
oxidation is the loss of electrons or the increase in oxidation state
3
Q
reduction can be 2 things
A
gain of electrons and the decrease in oxidation state
4
Q
oxidation rules
A
uncombined element = 0
oxygen in a compound = -2
hydrogen in a compound = +1
simple ion = oxidation number is the charge of the ion
neutral compound = oxidation is 0
complex ion = sum of oxidation number is the charge
5
Q
what is the definition of a disproportionation reaction
A
is when oxidation and reduction occurs to the same element in the same reaction