JEE Main 2022 Chemistry question
A sugar 'X' dehydrates very slowly under acidic condition to give furfural which on further reaction with resorcinol gives the coloured product after sometime. Sugar 'X' is
Answer: (1)
Solution
This is Seliwanoff's test, used to distinguish aldoses from ketoses: ketoses give the colour rapidly because they dehydrate more easily, whereas
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