Properties and IMF: Carotenes and Xanthophylls are almost identical in structure, but one ended up at the top of the LC plate and the other at the bottom. Report the RFs you recorded for both molecules. What functional group(s) are different between them? Then explain these RF values by comparing the IMF present in each molecule to those present in the mobile or stationary phase and how this shaped their affinities for each phase. Use the terms RF, IMF, polar, nonpolar, affinity, mobile phase and stationary phase.

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Alkanes and Cycloalkanes

Alkanes are saturated organic compounds which are made up of C and H atoms. Alkanes have the general formula of CnH2n+2. Alkane contains sp3 hybridized carbon atoms with four sigmas (σ) bonds & every hydrogen atom is connected with one of the carbon atoms. The size of the alkane could be determined by the number of carbon atoms located in it.