3
Question
Which of the following statement(s) is true for catalytic hydrogenation reaction?
Which of the following statement(s) is true for catalytic hydrogenation reaction?
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Solution
The correct option is D Both (a) and (c).
The activity of a catalyst depends upon the strength of chemisorption to a large extent.
Reactants must get adsorbed reasonably strongly on to the catalyst to become active.
However, adsorption shouldn’t be very strong that reactants are immobilized which is result in the low rate of desorption of product from the catalyst surface.
Hence, for a catalyst to be highly active the reactant should mildly attached to the catalyst so that after the formation of product it should be easily desorbed from the surface of catalyst.
In catalytic hydrogenation reaction, the catalytic activity increases from Group 5 to Group 11 metals and maximum catalytic activity is shown by groups 7-9 elements.
The activity of a catalyst depends upon the strength of chemisorption to a large extent.
Reactants must get adsorbed reasonably strongly on to the catalyst to become active.
However, adsorption shouldn’t be very strong that reactants are immobilized which is result in the low rate of desorption of product from the catalyst surface.
Hence, for a catalyst to be highly active the reactant should mildly attached to the catalyst so that after the formation of product it should be easily desorbed from the surface of catalyst.
In catalytic hydrogenation reaction, the catalytic activity increases from Group 5 to Group 11 metals and maximum catalytic activity is shown by groups 7-9 elements.
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