CBSE · Class 12 · Chemistry · Aldehydes, Ketones and Carboxylic AcidsTollens' reagent is:
Step-by-Step Solution
Tollens' reagent is ammoniacal silver nitrate solution [Ag(NH3)2]+ OH-. It is used to distinguish between aldehydes and ketones. Aldehydes reduce Tollens' reagent to form a bright silver mirror on the inner walls of the test tube.
Detailed Options Breakdown
Option : Alkaline copper sulfate solution
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Aldehydes, Ketones and Carboxylic Acids.
Option 1: Ammoniacal silver nitrate solution (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Sodium bisulfite solution
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Aldehydes, Ketones and Carboxylic Acids.
Option 3: Acidified potassium permanganate
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Aldehydes, Ketones and Carboxylic Acids.
💡 Study Guide: This question tests core syllabus concepts from Aldehydes, Ketones and Carboxylic Acids. For formulas, key summaries, and mock exam reference guides, read the full Aldehydes, Ketones and Carboxylic Acids Revision Notes.