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
___________is known as chile saltpetre
Sodium nitrate
Potassium nitrate
Calcium nitrate
Ferrous nitrate
The kinetic energy of maximum fraction of molecules is known as ______________kinetic energy.
most probable
least probable
highly saturated
minimal
The unit of rate constant for a zero order reaction is
mol L-1S-1
S-1
mol-1LS-1
molL-1S
A catalyst catalyses
Non-spontaneous reaction
Spontaneous reaction
Equilibrium constant
Forward reaction alone
The action of the catalyst can be explained by ___________theory.
intermediate complex
reactive complex
kinetic
potential energy
According to ____________,a reaction can take place through the formation of an intermediate.
Arrhenius
Boyle
Charles
Rutherford
The elements of the group 13 to group 18 are collectively known as ________elements.
S-block
p-block
d-block
f-block
