Question Detail

CHM 102 Qualitative and Quantitative Analysis in Organic Chemistry Objective Question

Question

What is the positive result of Tollen's test for aldehydes?
Options
A Red precipitate of Cu₂O
B Silver mirror on the test tube walls
Correct Answer
C Yellow precipitate of iodoform
D Pink color with Schiff's reagent
Correct Answer

Option B is the correct answer.

Detailed Explanation

Aldehydes reduce Tollen's reagent (ammoniacal silver nitrate) to metallic silver, forming a characteristic silver mirror on the glass.

Hint

Silver mirror test.

Question Info