Question

Mordant black is used as an indicator in the titration of

Answer 1

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Answer 2

Mordant black is used in titrations.

Explanation:

• Usually, the indicators are classified as triphenyl methane dyes, azo dyes, phthalein and substituted phthalates and phenolic compounds.  
• Mordant black is used in the standardization of the EDTA where the analysis of K, Au, Na, Ag, Br, Cl and F is done. It is also used for in the method of direct titration in which the estimation of magnesium trisilicate is done using ammonia buffer. Even in this process, mordant black is used as an indicator.

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