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Which of the following compounds produces a violet colour on addition of a few drops of `FeCl_(3)` solution?A. Salicylic acidB. Benzoic acidC. tartaric acidD. Citric acid |
Answer» Correct Answer - A Salicylic acid is `o-`hydroxybenzoic acid. It behaves as a phenol and as an acid. Thus its aqueous solition gives a violet colour with ferric chloride. Note That `m-`hydroxylbenzoic acid does not give a cooration with ferric chloride. |
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