Biomolecules and Chemistry in Everyday Life - Result Question 24

25. Which of the following pairs give positive Tollen’s test?

$(2004,1 M)$

(a) Glucose, sucrose

(b) Glucose, fructose

(c) Hexanal, acetophenone

(d) Fructose, sucrose

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Answer:

Correct Answer: 25. (b)

Solution:

  1. Both glucose and fructose are reducing sugars, reduces Tollen’s reagent to metallic silver.