Paper Chromatography 1. In a paper chromatographic experiment, X moved 30 mm whi

Question

Paper Chromatography 1. In a paper chromatographic experiment, X moved 30 mm while the solvent front moved 50 mm. What is R, for X in this system? 2, distance traveed by X (carspard dstunce tavellied by Solvont bare line Assume that two substances, A and B, can be separated in a particular paper chromatographic system. a. Write equation (2) for A and for B. Use these two equations to derive a third equation for (dx-de). 2. distance travelled by solvent D dA b. Define dA-dB The aifference in the distanca travelled by the L compaurdr in the some solvent c. Using your derived equation in (a), explain what is meant by the statement, "the longer the run the better the separation."

Explanation / Answer

Ans 1 :

Rf is the retention factor that has its value in between 0 and 1. It is ratio of distance travelled by solute to the distance travelled by solvent .

So here , the value of Rf is given as :

Rf = 30/ 50

= 0.60

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