Which of the following is the expression for longitudinal diffusion in – McqOptions

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1.	Which of the following is the expression for longitudinal diffusion in the column, if represents obstruction factor, d_M represents particle diameter, D_M represents Solute diffusion co-efficient and represents function for packing uniformity?
A.	d<sub>M</sub>
B.	2 D<sub>M</sub>
C.	D<sub>M</sub>
D.	/d<sub>M</sub>
Answer» C. D<sub>M</sub>

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