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Which reagents are used in conversion of aldohexose to ketohexose?
Important Questions on Biomolecules
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Define optical activity. How many optical isomers are possible for glucose.

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Write the chemical reaction to elucidate-
- Glucose contains five -OH groups.

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(Given: specific rotations of sucrose, maltose, glucose and fructose in aqueous solution are and , respectively)

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Five alcohol groups


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Give definition of monosaccharide and disaccharide and give one example for each. Give one reaction for each group to detect the presence of and groups. Differentiate between glucose and fructose.

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Write the chemical reaction to elucidate-
- Glucose contains six carbon atoms in a straight chain.

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Aldehyde as carbonyl group

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The correct structure(s) of glucopyranose is(are)

