I did a TLC analysis of benzophenone and triphenylmethanol. I had expected the triphenylmethanol to have a lower Rf value being the more polar amongst the two compounds, but the reverse is the case. I find it difficult to rationalize this observation. Can I get an explanation please?

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
ChapterL4: Proton (1h) Nmr Spectroscopy
Section: Chapter Questions
Problem 3E: Here are proton NMR data for 1-bromopropane: Ha : triplet (2H) 3.32ppm; Hb : multiplet (2H)1.81ppm;...
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I did a TLC analysis of benzophenone and triphenylmethanol. I had expected the triphenylmethanol to have a lower Rf value being the more polar amongst the two compounds, but the reverse is the case. I find it difficult to rationalize this observation. Can I get an explanation please?

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