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STD 11 - 8.3. Organic chemistry purification and characterization — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 11 - 8.3. Organic chemistry purification and characterization4 Marks
MCQ
Which of the following statement is correct for paper chromatography ?
  • A
    Water present in the mobile phase gets absorbed by the paper which then forms the stationary phase.
  • ✓
    Water present in the pores of the paper forms the stationary phase.
  • C
    Paper sheet forms the stationary phase.
  • D
    Paper and water present in its pores together form the stationary phase.
✓

Answer

Correct option: B.
Water present in the pores of the paper forms the stationary phase.
b
In paper chromatography, a special quality paper known as chromatography paper is used. Paper contains water trapped in it, which acts as the stationary phase.

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