Consider the compounds tert-butylcyclohexane and 4-tert-butylcyclohexanol. Using silica gel plates, which of the two compounds will have the higher Rf value when ethyl acetate is the developing solvent?

4 tert-butylcyclohexane will have the higher Rf value when ethyl acetate is used as the developing solvent because the 4-tert-butylcyclohexanol is the more polar compound that can form hydrogen bonds with the polar silica gel stationary phase.

this means less polar 4-tert-butylcyclohexanol will have a higher Rf

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pstnonsonjoku pstnonsonjoku · Answer 2 · 2022-01-27T12:44:46+01:00

The retention factor will be high because the polar silica gel will interact with polar ethyl acetate.

The retention factor refers to how much the mobile phase interacts with the stationary phase. The retention factor tells us whether elusion is possible using the solvent combination or not.

If the stationary phase is silica gel and the mobile phase is tert-butylcyclohexane and 4-tert-butylcyclohexanol in ethyl acetate, the retention factor will be high because the polar silica gel will interact with polar ethyl acetate.

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