1
3 1 Rate of a
Rate of a
Rate of a
Rate of a
Rate of a
Chemical
Chemical
Chemical
Chemical
Chemical
Reaction
Reaction
Reaction
Reaction
Reaction
Rationalised 2023-24
63
Chemical Kinetics
Rate of appearance of P
[ ]
Increase in concentration of P
P
=
Time taken
t
∆
= + ∆
(3 2)
Since, D[R] is a negative quantity (as concentration of reactants is
decreasing), it is multiplied with –1 to make the rate of the reaction a
positive quantity Equations (3