L1 /
4
CH1012
REDOX REACTIONS
(2) Redox
reactions (REDuctionOXidation)
involve changes in the oxidation state (oxidation number) of at least two of the species involved in the reaction.
involve changes in the oxidation state (oxidation number) of at least two of the species involved in the reaction.
• The oxidation
numbers are assigned to atoms on
the basis of the rules given below.
ASSIGNMENT OF OXIDATION
STATES: RULES
(i) For anions and cations, the oxidation number is equal to the charge on the ion.
(i) For anions and cations, the oxidation number is equal to the charge on the ion.
Na+ + I Cl- - I
