The representation of rate of reaction in terms of concentration of the reactants is known as ______________
partial pressure
rate law
average rate
total rate
The activation energy for a simple chemical reaction A → B is Eα in forward direction. The activation energy for reverse reaction is _______________
Can be lesser or more than Eα
Is always double of Eα
Is negative of Eα
Is always less than Eα
If 60% of a first order reaction was completed in 60 mins, 50% of the same reaction would be completed approximately in ______________.
(log 4 = 0.60, log 5 = 0.69)
50 min
45 min
60 min
40 min
The branch of chemistry which deals with the study of reaction rates and their mechanisms are called_______________
Thermodynamics
Chemical kinetics
Chemical equilibrium
Polymer science
The sum of powers of the concentration of the reactants in the rate law expression is called _________of that chemical reaction.
order
molecularity
elementary rate
3A → B + C
It would be a zero order reaction, when.
The rate of reaction is proportional to square of concentration of A.
The rate of reaction remains same at any concentration of A.
The rate remains unchanged at any concentration of B and C.
The rate of reaction doubles if concentration of B is increased to double.
In the following reaction, how is the rate of appearance of the underlined product related to the rate of disappearance of the underlined reactant?
In gaseous reactions,the units of the rate equation will be ____________
Mol L-1
mol S-1
atm L-1
atm S-1
When a biochemical reaction is carried out in laboratory from outside of human body in the absence of enzyme, the rate of reaction obtained is 10-6 times, then activation energy of the reaction in the presence of enzyme is
6/RT
P is required
Different from Eα obtained in laboratory
Cannot say any things
In a first order reaction A → B, if k is rate constant and initial concentration of the reactant A is 0.5 M, then half-life is______________
