Sugar Lie Detector Test! 🕵️♂️ Who can Trick Tollen’s Reagent? Organic Chemistry Made Easy
Автор: Chemistry with Dr Shashank
Загружено: 2025-08-11
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Sugar Lie Detector Test! 🕵️♂️ Who can Trick Tollen’s Reagent?
The correct answer is (a) Glucose, as it is a reducing sugar that can reduce Tollen's reagent (ammoniacal silver nitrate) to form a silver mirror.
Why?
Glucose has a free aldehyde group (–CHO) that gets oxidized to a carboxylate, reducing Ag⁺ to metallic silver (Ag).
Sucrose (b) is a non-reducing sugar (no free aldehyde/ketone).
Methanol (c) and acetic acid (d) do not have an oxidizable aldehyde/α-hydroxy ketone group.
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