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JEE Mains · Chemistry · STD 11 - 8.3. Organic chemistry purification and characterization

નીચે આપેલ પેપર ક્રોમેટોગ્રાફીની માહિતીનો ઉપયોગ કરતાં  \(A\) નું ગણતરી કરેલ \(R_f\) મૂલ્ય .......... \(\times 10^{-1}\) છે.

  1. A \(2\)
  2. B \(1\)
  3. C \(4\)
  4. D \(3\)
Verified Solution

Answer & Solution

Correct Answer

(C) \(4\)

Step-by-step Solution

Detailed explanation

\(R _{ f }=\frac{\text { Distance travelled by compound }}{\text { Distance travelled by solvent }}\) on chromatogram distance travelled by cmopound is \(\rightarrow 2 \,cm\) Distance travelled by solvent \(=5\, cm\) So \(R _{ f }=\frac{2}{5}=4 \times 10^{-1}=0.4\)
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