B.tech 1st Year Chemistry Lab Viva Questions And Answers -

Eriochrome Black-T (EBT). It changes from wine-red to steel blue at the endpoint. 💧 Water Analysis

A solution whose concentration is exactly known. B.tech 1st Year Chemistry Lab Viva Questions And Answers

Know why you wear a lab coat and how to handle acids safely. Eriochrome Black-T (EBT)

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The reaction between EDTA and metal ions is pH-dependent. A pH of 10 ensures the EBT indicator works correctly and the complex remains stable.

It measures the change in electrical conductivity of the solution as the titrant is added. The endpoint is where the conductivity reaches a minimum or maximum.