MDCAT Chemistry MCQ #425

In a laboratory test to distinguish propanal from propanone, Fehling's solution is used. Which specific salt prevents the precipitation of Cu(OH)2?

MDCAT Chemistry MCQ #425

  1. Question 1

    Q1. In a laboratory test to distinguish propanal from propanone, Fehling's solution is used. Which specific salt prevents the precipitation of Cu(OH)2?

    • A) Sodium carbonate
    • B) Sodium citrate
    • C) Sodium bicarbonate
    • D) Sodium potassium tartrate

    Answer: Sodium potassium tartrate

    Explanation: Fehling's solution contains Cupric Tartrate complex. Benedict's uses Citrate, which is a common point of confusion for students.