_________ of chemical reaction is either the speed at which the reacting substances are used up or the speed at which the products are formed.
Rate
Order
Molecularity
Power
______ is the time of a reaction takes to proceed to the half stage of its completion.
Half life time
Reaction time
Average lifetime
Instantaneous life time.
____________ is the Unit of rte constant for a third order reaction.
L mol sec
L 2 mo l- 2 sec -1
L -1 mo -1 sec -1
L 2 mol sec 2
The key point of ________ theory is that a reaction take place when the reacting particles, ions or molecules collide against one another.
Arrhenius
Collision
Catalyst
Adsorption
_______ is an electron - pair acceptor that reacts at centers of high electron density.
Nucleophile
Electrophile
Hydrophilic
Lyophilic
An equation that relates reaction rate to the concentration of reactants is called
Rate law
Rate constant
Average rate
Instantaneous rate
______ of a reaction is given by the total number of molecules of the reactants taking part in the reaction.
_______ is the minimum amount of energy that the reacting molecules must possess for the collision between them to result in a chemical reaction.
Potential energy
Activation energy
Kinetic energy
Vibrational energy