The wetted wall tower is used to determine
(A) Individual mass transfer co-efficient (M.T.C.) in gaseous system
(B) M.T.C. of individual components in a liquid-liquid system
(C) M.T.C. of liquid in liquid-gas system
(D) The overall M.T.C. of the system
(A) Individual mass transfer co-efficient (M.T.C.) in gaseous system
(B) M.T.C. of individual components in a liquid-liquid system
(C) M.T.C. of liquid in liquid-gas system
(D) The overall M.T.C. of the system