MP Board · Class 12 · Chemistry · Aldehydes, Ketones and Carboxylic AcidsWhat is Tollens' reagent? Write its chemical composition.
Step-by-Step Solution
Tollens' reagent is an ammoniacal silver nitrate solution, which is freshly prepared by mixing aqueous silver nitrate with sodium hydroxide solution until a brown precipitate of silver oxide forms, followed by the dropwise addition of dilute aqueous ammonia solution until the precipitate completely dissolves. Its primary active chemical composition is an ammoniacal complex ion of silver, specifically diamminesilver(I) ion, represented by the formula $\left[\text{Ag}(\text{NH}_3)_2\right]^+$.
💡 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.