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by using a hot water and chromic acid

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12y ago

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Why silver mirror is formed by tollens reagent?

A silver mirror is formed by Tollens reagent due to the reduction of silver ions to metallic silver on the surface of the test tube. This reduction reaction occurs in the presence of an aldehyde, which acts as the reducing agent by donating electrons to the silver ions. As a result, a silver mirror is deposited on the inside of the test tube, indicating the presence of an aldehyde in the sample.


Why does glycerol gives silver mirror test?

Glycerol can give a positive result in the silver mirror test due to its ability to act as a reducing agent. In the presence of silver nitrate and an alkaline solution, glycerol reduces silver ions (Ag⁺) to metallic silver (Ag), forming a reflective silver mirror on the surface of the test container. This reaction occurs because glycerol has an aldehyde-like structure under certain conditions, which facilitates the reduction of silver ions.


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Mirrors are usually glass with a thin coating of metallic silver. Neither one rots- it is not biodegradable.


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Another name for the metallic silver dragres is Bismuth.


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Metallic bond is present in silver (metal).


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By making use of the abrasive polish, you will be able to remove the polish residue. After the old silver polish residue has been removed, its polishing is very important.


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