Question

Define Shape-selective catalysis.

Answer 1

A catalytic reaction which depends upon the pore structure of thecatalyst and on the size of the reactant and the product molecules is called shape-selective catalysis. For example, catalysis by zeolites is ashape-selective catalysis.

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Answer 2

Answer:

A catalytic reaction which depends upon the product molecules and on the size of the reactant and the pore structure of the catalyst is called shape-selective catalysis. For example, catalysis by zeolites is a shape-selective catalysis. Thus, molecules having a pore size more than 260-740 pm cannot enter the zeolite and undergo the reaction.