Question Detail

CHM 102 Qualitative and Quantitative Analysis in Organic Chemistry Objective Question
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Question

What is the positive result of Fehling's test for aldehydes?
Options
A Silver mirror
B Red/brown precipitate of copper(I) oxide (Cu₂O)
Correct Answer
C Yellow precipitate of iodoform
D Blue color
Correct Answer

Option B is the correct answer.

Detailed Explanation

Aldehydes reduce Fehling's solution (Cu²⁺ complex) to red/brown cuprous oxide (Cu₂O) precipitate.

Hint

Red/brown precipitate.

Question Info

Course: CHM 102
Topic: Qualitative and Quantitative Analysis in Organic Chemistry
Type: Objective
Difficulty: Not specified
Question 812 of 1999
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