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
← JEE Main 2022 · 27 Jul · Shift 1
ChemistrySingle correct+4 / -1Question 77 of 90
JEE Main 2022 · 27 Jul · Shift 1, Chemistry question 77
Answer and worked solution
Official answer: A
Pentoses dehydrate in acid to furfural, which condenses with resorcinol to a coloured product. An aldopentose reacts only slowly.
(A)
Topics:Carbohydrates