Chemistry · 2022
JEE Main · 25 July 2022, Shift 2 · Q89
The separation of two coloured substances was done by paper chromatography. The distances travelled by solvent front, substance A and substance B…
The separation of two coloured substances was done by paper chromatography. The distances travelled by solvent front, substance A and substance B from the base line are $\displaystyle 3.25$ cm, $\displaystyle 2.08$ cm and $\displaystyle 1.05$ cm, respectively. The ratio of $\displaystyle R_f$ values of A to $\displaystyle B$ is \_\_\_\_.
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