The molecular formula for glucose is C₆H₁₂O₆. What would be the molecular formula for a molecule made by linking three glucose molecules together by dehydration reactions?
A) C₁₈H₃₆O₁₈
B) C₁₈H₃₂O₁₆
C) C₆H₁₀O₅
D) C₁₈H₁₀O₁₅
E) C₃H₆O₃

Question

Quizplus · Accepted Answer

Dehydration synthesis involves removing a water molecule between two functional groups. When three glucose molecules are linked together, there are two water molecules that can be removed, leaving behind two glycosidic bonds. This results in a molecule with a molecular formula of C18H32O16.

The Molecular Formula for Glucose Is C₆H₁₂O₆