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Defining Hemiacetal in Sucrose

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Could you define what a hemiacetal is?

Please reference your sources. (Wikipedia is not a reference I'm allowed to use unfortunately.)

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Solution Summary

The expert defines the hemiacetal in surcrose.

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A hemiacetal is a functional group or compound containing the function group in the form of:
-CHOH-

In layman's terms, an organic compund like ...

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