Which of the following statements regarding thin layerchromatography are TRUE?

In thin layer chromatography, a polar organic compound will beattracted to the adsorbent and therefore travel further up theplate than a non-polar compound

The Rf value is independent of the adsorbent material used.

In thin layer chromatography, a polar organic compound will berepelled by the adsorbent and therefore travel further up the platethan a non-polar compound.

Sample spots should be approximately 1 cm in diameter.

Covering the sample jar is done to saturate the atmosphere withsolvent. Thin layer chromatography is an example of adsorptionchromatography, and not partition chromatography.

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