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Questions and Answers
What is the purpose of Molisch’s Test?
What is the purpose of Molisch’s Test?
- To detect carbohydrates (correct)
- To identify the specific type of carbohydrates
- To measure the concentration of carbohydrates
- To determine the reducing ability of carbohydrates
What is the phenolic substance used in the preparation of Molisch’s Test Reagent?
What is the phenolic substance used in the preparation of Molisch’s Test Reagent?
- Resorcinol
- Phenolphthalein
- $\alpha$-naphthol (correct)
- Catechol
Which derivative is formed from hexa-saccharides in color reactions?
Which derivative is formed from hexa-saccharides in color reactions?
- Chromogen
- 5-Hydroxymethylfurfural (correct)
- Furfural
- Pentose
What is the core substance of the reaction reagent in colorimetric tests for carbohydrates?
What is the core substance of the reaction reagent in colorimetric tests for carbohydrates?
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Which type of test for carbohydrates depends on the reductive ability of the carbonyl group?
Which type of test for carbohydrates depends on the reductive ability of the carbonyl group?
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Study Notes
Carbohydrate Tests
- Molisch's Test is used to detect the presence of carbohydrates.
- The phenolic substance used in the preparation of Molisch's Test Reagent is α-naphthol.
- In color reactions, hexa-saccharides form a hexa-aceyl derivative.
- The core substance of the reaction reagent in colorimetric tests for carbohydrates is α-naphthol.
- The type of test for carbohydrates that depends on the reductive ability of the carbonyl group is Benedict's Test.
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