During hearing of a court case, the judge suspected that some changes in the documents had been carried out. He asked the forensic department to check the ink used at two different places. According to you which technique can give the best results?

(i) Column chromatography

(ii) Solvent extraction

(iii) Distillation

(iv) Thin layer chromatography

Answers (1)

The answer is the option (iv) Thin layer chromatography

Explanation: Thin-layer chromatography (TLC) is a method for analysing mixtures by separating the components of the mixture. This method can be used to determine the number of components in the mixture, to identity the compounds and the purity of compounds by observing the appearance of a product or the disappearance of a reactant, whichever is the case.

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