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Question: Answered & Verified by Expert
In thin layer chromatography, a substance moved by a distance of $4 \mathrm{~cm}$, where as the solvent moved by a distance of $5 \mathrm{~cm}$. Then the value of retardation factor $\left(R_f\right)$ is
ChemistryGeneral Organic ChemistryAP EAMCETAP EAMCET 2021 (24 Aug Shift 2)
Options:
  • A $0.8$
  • B $1.0$
  • C $9.0$
  • D $1.25$
Solution:
2579 Upvotes Verified Answer
The correct answer is: $0.8$
$R_f=\frac{\text { distance travelled by solute }}{\text { distance travelled by solvent }}$
$R_f=\frac{4}{5}=0.8$

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