Answer:
(b) Characteristics of
catalyst
(a) It catalyses the forward and
backward reaction to the same extent as it decreases energy of activation
hence, increases the rate of both the reactions.
(b) Since, reaction quotient is
the relation between concentration of reactants and products. Hence, catalyst
does not alter Gibbs free energy as it is related to reaction quotient. Thus,
Gibbs free energy does not change during the reaction when catalyst is added to
it.
= - RT In Q
where, Q = reaction quotient
(c) It .doesn't alter
equilibrium of reaction as equilibrium constant is also concentration dependent
term.
(d) It provides an alternate
mechanism by reducing activation energy between reactants and products.
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