The reactions taking place in one step are called _________reaction.
complex
elementary
instantaneous
average
__________is a substance which alters the rate of a reaction without itself undergoing any permanent chemical change.
Reactant
Intermediate
Catalyst
Product
The representation of rate of reaction in terms of concentration of the reactants is known as ______________.
Partial pressure
Rate law
Average rate
Total rate
_____________order reaction means that the rate of reaction is independent of the concentration of reactants.
Zero
one
two
three
_____________of a reaction can be defined as the change in concentration of a reactant or product in unit time.
Rate
Pressure
Temperature
None of these
Arrhenius equation is _____________.
K=AeEa/Rt
K = Ae -Ea/Rt
K = ARe-Ea/RT
K = AR e Ea/RT
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
The number of reacting species taking part in an elementary reaction, which must collide simultaneously in order to bring about a chemical reaction is called _____________of a reaction.
order
molecularity
_____________is the expression in which reaction rate is given in terms of molar concentration of reactants with each term raised to some power, which may or may not be same as stochiometric coefficient of the reacting species in a balanced chemical equation.
Instantaneous rate
___________ reaction is termed as fast reaction.
Molecular reaction.
Homogeneous reaction.
Ionic reaction
Heterogeneous reaction.