Which of the following statements are correct about solid catalyst?
(i) Same reactants may give different product by using different catalysts.
(ii) Catalyst does not change ΔH of reaction.
(iii) Catalyst is required in large quantities to catalyse reactions.
(iv) Catalytic activity of a solid catalyst does not depend upon the strength of chemisorption.
Which of the following statements are correct about solid catalyst?
(i) Same reactants may give different product by using different catalysts.
(ii) Catalyst does not change ΔH of reaction.
(iii) Catalyst is required in large quantities to catalyse reactions.
(iv) Catalytic activity of a solid catalyst does not depend upon the strength of chemisorption.
This is a Multiple Choice Type Questions as classified in NCERT Exemplar
Ans: (i) and (ii)
The action of a catalyst is selective in nature and so a substance which acts as a catalyst in one reaction may fail to catalyse another reaction. They also do not change the enthalpy of reaction hence the answ
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