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Chemical Properties of Glucose

When an aqueo...

Question

When an aqueous solution of D - glucose or D - mannose is treated with a base it undergoes some conversions. This conversion (isomerisation) involves

Enolization

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Tautomerization

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Both (a) and (b)

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None of the two

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Solution

The correct option is C
Both (a) and (b)

When an aqueous solution of D - Glucose , D - mannose or D - fructose is treated with a base, it undergoes enolization and a series of keto - enol tautomerization to form a mixture of the three monosaccharides (Lobry de Bruyn van Ekenstein tranformation). For reactions, consult text.

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Similar questions

When an aqueous solution of D - glucose or D - mannose is treated with a base it undergoes some conversions. This conversion (isomerisation) involves

α - D -

β - D -

298 K

60

Δ G

(α) d -

(β) d -

63.6 %

i -

K_{c}

α

α

Δ G^{o}

α - D - G l u c o s e ⇌ β - D - G l u c o s e

S u c r o s e + W a t e r \to G l u c o s e + F r u c t o s e

{100.27}^{o} C

K_{b}

H_{2} O

0.512 K m o l^{- 1} k g)

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