Separation of Solutions and Mixtures

AP Chemistry· difficulty 2/5

Three components A, B, C from one spot rose during paper chromatography.

start front A B C

Which component has the largest Rf value?

  • A

    B

  • B

    A

  • C

    C (traveled farthest)

    check_circle
  • D

    All are equal

Explanation

Rf = distance traveled by component / distance traveled by solvent. C migrated farthest, so it has the largest Rf, indicating weakest interaction with the stationary phase.

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