Question

is glucose a pentahydroxy oxide?​

Answer 1

Glucose is a pentahydroxy aldehyde , In fact, glucose exists mainly (> 99.9 percent) in the glucopyranose form, a cyclic hemiacetal. Even though the amount of aldehyde present at equilibrium is small, many reactions of glucose and similar sugars are those of the free aldehyde group.

Answer 2

Explanation:

Glucose is a pentahydroxy aldehyde. ... In fact, glucose exists mainly (> 99.9 percent) in the glucopyranose form, a cyclic hemiacetal. Even though the amount of aldehyde present at equilibrium is small, many reactions of glucose and similar sugars are those of the free aldehyde group.