MDCAT Chemistry MCQ #287

In a clinical test for glucose (an aldose), 1 mole of an aldehyde group reacts with Fehling's solution. How many moles of Cu2O precipitate?

MDCAT Chemistry MCQ #287

  1. Question 1

    Q1. In a clinical test for glucose (an aldose), 1 mole of an aldehyde group reacts with Fehling's solution. How many moles of Cu2O precipitate?

    • A) 0.5 moles
    • B) 2.0 moles
    • C) 1.0 mole
    • D) 1.5 moles

    Answer: 1.0 mole

    Explanation: One aldehyde group reduces two Cu2+ ions to one mole of Cu2O (red precipitate). 2 moles is the count of copper ions.