Science, asked by Aaravchetry, 1 year ago

Erichrome black-T act as?

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Answered by thrups1199443

4

Answer:

Heyy mate...Good afternoon...here's you're answer...

Eriochrome Black T is a complexometric indicator that is used in complexometric titrations, e.g. in the water hardness determination process. It is an azo dye. Eriochrome is a trademark of Huntsman Petrochemical, LLC. In its deprotonated form, Eriochrome Black T is blue.

Eriochrome black T is used as an indicator for complexometric titrations because it forms a colored complex in its protonated form with calcium.

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