Question

2. Which one of the following will not
give a red precipitate of Cu20 when
heated with Benedict's solution?
(A) Sucrose (B) Fructose
(C) Glucose (D) Maltose​

Answer 1

Answer:

glucose will not give a red precipitate when heated with Benedict's solution

Answer 2

Answer:

Fructose is the one which doesn't give a 'red precipitate' of Cu_{2}O when

heated with 'Benedict's solution'.

Explanation:

• Benedict reaction is done in case of finding the range of glucose present in solution most commonly used in diagnosis of diabetes mellitus.
• Glucose, sucrose and maltose are different types of sugar that are found aain a solution and convert the Benedict solution into a red to brick coloured solution.
• While fructose is the only one that does not change the colour completely to dark red and hence this is the answer.