In the given TLC, the distance of spot A & B are $5 cm & 7 cm$ , from the bottom of TLC plate, respectively. $R_{f}$ value of $B$ is $x \times 1 0^{- 1}$ times more than $A$ . The value of $x$ is ______.

Question

In the given TLC, the distance of spot A & B are 5 cm & 7 cm , from the bottom of TLC plate, respectively. R f ​ value of B is x × 1 0 − 1 times more than A . The value of x is ______.

TestHub · Accepted Answer

R f ​ = Distance moved by solvent from base line Distance moved by substance from base line ​ ​ ( R f ​ ) A ​ = 8 4 ​ ( R f ​ ) B ​ = 8 6 ​ ( R f ​ ) A ​ ( R f ​ ) B ​ ​ = 8 6 ​ × 4 8 ​ ( R f ​ ) B ​ = 1.5 ( R f ​ ) A ​ x = 15 ​

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