If retention times found on a chromatogram are 0.60 min for CH4 (=tm), 7.0 min for pentane, 8.0 min for an unknown species, and 10.0 min for hexane, find the Kovat's retention index for the unknown.

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A: Retention time is a measure of the time that is taken by a solute to pass through a column.In…

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A: Introduction :  We have to calculate retention factor .

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A: Given tc = 209.6 sωc = 14.4 sta = 260.0 sωa = 21.2 sd = 22.1 s

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