Question:

Reduction of glucose with NaBH\(_4\) gives

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Sorbitol is used as a sugar substitute and humectant in food products.
Updated On: Apr 8, 2026
  • sorbitol
  • mannitol
  • Both (a) and (b)
  • n-hexane
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The Correct Option is A

Solution and Explanation

Step 1: Understanding the Concept:
Glucose is an aldohexose. Reduction of the aldehyde group yields a sugar alcohol.
Step 2: Detailed Explanation:
Glucose (\(C_6H_{12}O_6\)) has an aldehyde group. Reduction with NaBH\(_4\) reduces the aldehyde to a primary alcohol, forming the corresponding sugar alcohol. The product is D-glucitol, commonly known as sorbitol. Mannitol is obtained from the reduction of mannose, not glucose.
Step 3: Final Answer:
Reduction of glucose gives sorbitol, option (A).
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