Which is the correct statement regarding the relative Rf values of the starting methyl benzoate vs the product, methyl m-nitrobenzoate on a silica gel TLC plate. a. The product has a lower Rf value on a silica gel TLC plate because it is more polar than the starting methyl benzoate. b. The product has a lower Rf value on a silica gel TLC plate because it is less polar than the starting methyl benzoate. c. The product has a higher Rf value on a silica gel TLC plate because it is less polar than the starting methyl benzoate.d. The product has a higher Rf value on a silica gel TLC plate because it is more polar than the starting methyl benzoate.