Binary distillation involves the mass transfer by __________ at the gas￾liquid interface.
(A) Unidirectional diffusion from liquid to gas phase
(B) Unidirectional diffusion from gas to liquid phase
(C) Either 'a' or 'b'
(D) A counter diffusion at an almost equal molar rate

1 Answer

Answer :

(D) A counter diffusion at an almost equal molar rate

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