Question

An organic dye, cousins used to detect the endpoint of precipitation titration by the process of  

A

absorption 

B

adsorption 

C

chemical reaction

D

none of the above

Hard

Solution

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Correct option is B)

An organic dye, cosine used to detect the endpoint of precipitation titration by adsorption, is called an adsorption indicator. This is also called Argentometry titration.

Argentometry is a type of titration involving the silver(I) ion. Typically, it is used to determine the amount of chloride present in a sample. The sample solution is titrated against a solution of silver nitrate of known concentration. Chloride ions react with silver(I) ions to give the insoluble silver chloride:

)

The yellow fluorescein is a common example used for the reaction i.e., -
 

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Solution To Question ID 468429
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