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1) A mixture of benzaldehyde, benzoic acid, and 1,4-dimethoxy benzene is spotted on a silica gel TLC plate and developed in a mixture of 1:1

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1) A mixture of benzaldehyde, benzoic acid, and 1,4-dimethoxy benzene is spotted on a silica gel TLC plate and developed in a mixture of 1:1 Petroleum Ether-Ethyl Acetate as the solvent. Predict the sequence of relative Rf values for the three components in the sample (fastest to slowest). ( 2 points)

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