A first order reaction A → B occurs in an isothermal porous cataly – McqOptions

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1.	A first order reaction A → B occurs in an isothermal porous catalyst pellet of spherical shape. If the concentration of A at the centre of the pellet is much less than at the external surface, the process is limited by
A.	diffusion within the pellet.
B.	reaction.
C.	external mass transfer.
D.	none of the above.
Answer» B. reaction.

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