Assertion :The two cyclic hemiacetal forms of glucose, α− form and β− form are called anomers. Reason: Anomers differ only in the configuration of the hydroxyl group at C−1.
A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Both Assertion and Reason are incorrect
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Solution
The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
The two cyclic hemiacetal forms of glucose differ only in the configuration of hydroxyl group at C−1, called anomeric carbon (the aldehyde carbon before cyclisation). Such isomers, i.e., α&β form are called anomers.
Hence, both Assertion and Reason are correct and Reason is the correct explanation for Assertion.