Redox Reaction Flashcards
What is the Redox Reaction?
Reduction + Oxidation
What is the meaning of Oxidation Number?
Charge present on an atom in a chemical unit
Oxidation of free molecules or atoms, and naturally occurring chemical units will be always
0
Oxidation Number of ions
Charge present on ions
O.N. of alkali metals
+1
O.N. of alkaline earth metals
+2
O.N. of aluminum
+3
O.N. of oxygen
-2
O.N. of flourine
-1
Oxidation
Adding an electronegative element
Increase in oxidation number
Loss of electron
Reduction
Adding an electropositive element
Decrease in oxidation number
Gain of electron
Oxidising Agent
Agent which oxidises other and reduces itself
Reducing Agent
Agent which reduces other and oxidises itself
Normality
No. of gram equivalent of solute/ volume of solution in litres
N-factor of an acid
Removal of protons, valency factor