How do you explain the presence of five -OH groups in glucose molecule? 

This is a Short Answer Type Questions as classified in NCERT Exemplar

When glucose is acetylated with acetic anhydride, a penta-acetyl derivative is produced. The reaction is depicted in the diagram below.

This confirms the presence of five -OH groups.

<p>This is a Short Answer Type Questions as classified in NCERT Exemplar</p><p>When glucose is acetylated with acetic anhydride, a penta-acetyl derivative is produced. The reaction is depicted in the diagram below.</p><div class="photo-widget-full"><div class="figure"><picture><source srcset="" media=" (max-width: 500px)"><img src="https://images.shiksha.com/mediadata/images/1750935786phpj3hQr2.jpeg" alt="" width="664" height="142" loading="lazy"></picture></div></div><p>This confirms the presence of five -OH groups.</p>

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