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A student analyzes a sample which produces a positive Molisch Test followed by a negative...

Question:

A student analyzes a sample which produces a positive Molisch Test followed by a negative Iodine/Potassium Iodide test followed by a positive Benedicts test followed by a positive Barfoeds test followed by a positive Bials test. The sample is:

a. a startch

b. a ketopentose

c. an aldopentose

d. an aldose which does NOT have five carbon chain

e. none of the above

Molisch test:

It is the test in chemistry which predicts the carbohydrate compound in the solution, it is done as when the substance is exposed to concentrated sulphuric acid which leads to formation of furfural derivatives which is future reacted with alpha-nepthanol which is an indicator and when the final solution turns violet in color then it predicts the presence of carbohydrate.

Answer and Explanation:

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  1. Molisch Test : which gives Positive result which clearly Indicates the presence of carbohydrates
  2. Iodine/Potassium Iodide test : Negative:- Indicates...

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Importance of Carbohydrates in the Cell Membrane

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Chapter 7 / Lesson 34
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Learn about the different types of carbohydrates in cell membranes. Understand the importance and function of carbohydrates in cells and cell membranes.


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