alleryTollens' reagent is an ammoniacal solution of silver:
ANitrate
BChloride
CSulphide
DCarbonate
Answer & Solution
Correct answer: A. Nitrate
1. The reagent is prepared freshly before use.
2. It carries silver in an ammoniacal solution.
3. The salt used is silver nitrate.
_Source: syllabus Chemistry Part II, Chapter 12, Aldehydes, Ketones and Carboxylic Acids._
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