Question

Benedict's Test Is Used To Detect :

• A. Fats
• B. Sucrose
• C. Glucose
• D. Vitamins

Answer 1

The correct option is C

Glucose

The correct option is C:
Explanation of correct option-

1. Benedict's test is a chemical test that is used to detect the presence of reducing sugars.
2. It is a complex mixture of sodium citrate, pentahydrate of copper(II) sulfate, and sodium carbonate.
3. When Benedict's reagent is added to reduce sugar, the solution from blue turns into brick-red precipitate.

Explanation of incorrect option-

Option A-

1. To show the presence of fats- a translucent spot test, and solubility test is done.
2. In translucent test, a filter paper is used and food is wrapped in the paper.
3. If there is a spot on the filter paper, then, fat is present.

Option B-

1. Sucrose gives a negative to Benedict's test.
2. It shows a positive result with cobalt nitrate solution.
3. The colour changes from orange to violet in colour.

Option D-

1. Vitamin can be tested by doing blood test.

Final answer: Benedict's Test Is Used To Detect: Glucose