28. A chemist analysed a mixture of four dyes A, B, C and D using gas-liquid chromatography. When a polar column was use

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answerhappygod
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28. A chemist analysed a mixture of four dyes A, B, C and D using gas-liquid chromatography. When a polar column was use

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28 A Chemist Analysed A Mixture Of Four Dyes A B C And D Using Gas Liquid Chromatography When A Polar Column Was Use 1
28 A Chemist Analysed A Mixture Of Four Dyes A B C And D Using Gas Liquid Chromatography When A Polar Column Was Use 1 (147.86 KiB) Viewed 26 times
please give explanation
This is the way the question is given in the pass paper. Answer in marking scheme is D but don't understand why
28. A chemist analysed a mixture of four dyes A, B, C and D using gas-liquid chromatography. When a polar column was used the following chromatogram was obtained. Concentration Increasing retention time Which of the following compounds was present in greatest concentration? Dye Structure HO HO OH A HO HO OH B ago Og HO O OH OH D OH O OH
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