NTA Abhyas JEE Main2020ChemistryAldehydes and KetonesPractice
How many compounds give positive Tollens' test? 1 . D-glucose 2 . D-fructose 3 . C H 3 C | | O H 4 . P h C H 2 O H 5 . C H 3 C H 3 6 .   HCOOH 7 .   CH 3 COOH
Correct answer
4.00
Step-by-step solution
These four can reduce tollen's reagent. 1 . D-glucose 2 . D-fructose ( α -hydroxy ketone) 3 . C H 3 - C H O 6 . H - C | | O - O H