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Question
What percentage of β−D−(+)− glucopyranose is found at equilibrium in the aqueous solution?
What percentage of β−D−(+)− glucopyranose is found at equilibrium in the aqueous solution?
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Solution
The correct option is A 64 %
64 % of β−D−(+)− glucopyranose is found at equilibrium in the aqueous solution.
36 % of α−D−(+)− glucopyranose is found at equilibrium in the aqueous solution.
In aqueous solution, a dynamic equilibrium is established between the α- and β-glucopyranose structures. The equilibrium mixture of glucose at room temperature consists of about 36% of the α-anomer and 64% of the β-anomer. There is only a negligible amount of the open chain form.
64 % of β−D−(+)− glucopyranose is found at equilibrium in the aqueous solution.
36 % of α−D−(+)− glucopyranose is found at equilibrium in the aqueous solution.
In aqueous solution, a dynamic equilibrium is established between the α- and β-glucopyranose structures. The equilibrium mixture of glucose at room temperature consists of about 36% of the α-anomer and 64% of the β-anomer. There is only a negligible amount of the open chain form.
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