In the given TLC, the distance of spot A and B are 5 cm and 7 cm, from the bottom of TLC plate, respectively.

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Solution

Q.

In the given TLC, the distance of spot A and B are 5 cm and 7 cm, from the bottom of TLC plate, respectively.

$R_{f}$ value of B is $x \times 10^{- 1}$ times more than A. The value of $x$ is _______. [2024]

Ans.
(15)

${(R_{f})}_{B} = \frac{distance moved by B}{distance moved by solvent} = \frac{6}{8}$

$\frac{{(R_{f})}_{B}}{{(R_{f})}_{A}} = \frac{6 / 8}{4 / 8} = 15 \times 10^{- 1}$

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