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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
Draw a neat diagram for the following:
Haworth formula of maltose
What is the action of the following reagents on glucose?
acetic anhydride
Draw the structure of the pyran.
From the following identify the two types of glucose polymers present in starch.
Which among the following type of linkages is present in cellulose?
On hydrolysis sucrose gives ____________.
Which one given below is a non-reducing sugar?
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Sucrose
If 'n' represents total number of asymmetric carbon atoms in a compound, then the possible· number of optical isomers of the compound is ______.
Which carbon atoms of fructose are bonded together through oxygen forming fructofuranose?
