Questions
Which of the following is/are the characteristic(s) of catalyst?
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a
In the presence of a catalyst, equilibrium constant is affected
b
Its physical state may change but chemically, it remains unchanged at the end of the reaction
c
The catalyst does not initiate the reaction
d
Rate of the reaction in certain heterogeneous reaction varies with surface area of the catalyst
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Correct option is B
(1) Catalyst catalyses the forward and backward reactions to same extent in a reversible reaction thus, has no effect on equilibrium constant- Thus, incorrect.(2) Correct(3) Catalyst accelerates the rate of the reaction. Thus, correct.(4) Finely divided metals are preferred in the form of a catalyst. This increases surface area Thus, correct.Similar Questions
Alcohols can be converted to various types of gasoline (petrol) by shape selective catalyst
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