What is molisch test of carbohydrates??
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Molisch test is a chemical test to detect carbohydrates.
Carbohydrates undergo dehydration when heated with concentrated H₂SO₄ to form furfural derivatives.
Furfural derivatives so obtained are condensed with alpha naphthol to give coloured compounds and hence presence of carbohydrate is confirmed.
Carbohydrates with five carbon atoms give furfurals whereas carbohydrates with six carbon atoms give 5-hydroxy methylfurfural.
Carbohydrates undergo dehydration when heated with concentrated H₂SO₄ to form furfural derivatives.
Furfural derivatives so obtained are condensed with alpha naphthol to give coloured compounds and hence presence of carbohydrate is confirmed.
Carbohydrates with five carbon atoms give furfurals whereas carbohydrates with six carbon atoms give 5-hydroxy methylfurfural.
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