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प्रश्न
Assertion: A solution of sucrose in water is dextrorotatory. But on hydrolysis in the presence of little hydrochloric acid, it becomes levorotatory.
Reason: Sucrose hydrolysis gives equal amounts of glucose and fructose. As a result of this change in sign of rotation is observed.
विकल्प
If both accretion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.
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उत्तर
If both accretion and reason are true and reason is the correct explanation of assertion.
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संबंधित प्रश्न
Write a chemical reaction to convert glucose into glucose cyanohydrin.
Which of the following monosaccharides is a tetrose sugar?
From the following identify the group that is exclusively consists of polysaccharides.
Fructose is the fruit sugar and chemically it is ketohexose but it has a ______ rather than a ______.
Identify a non-reducing carbohydrate from the following.
Which following reagent is used to detect presence of five hydroxyl groups in a glucose molecule?
What is the quantity of glucose obtained when 68.4 g of sucrose is hydrolyzed in laboratory under ideal condition?
(Molar mass of sucrose = 342 g mol−1)
The two monosaccharides in a disaccharide are held together by ______ bonds.
Explain the hydrolysis of sucrose.
Write the Zwitter ion structure of alanine.
