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Friday, January 17, 2020

How can explain that 1, 3, 5-Trihydroxybenzene give positive iodoform test?

1,3,5-trihydroxybenzene give positive iodoform test because it is in equilibrium with its tautomer cyclohexane-1,3,5-trione. It give 3,5-dioxohexanoic acid (CH3-CO-CH2-CO-CH2-COOH) on  reaction  with strong base (OH-) (I2+NaOH Iodoform reagent) ,which has a CH3-CO (acetyl) group, so it’ clear that it would be give positive iodoform test.

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