Graduate Pharmacy Aptitude Test (GPAT) 2011 Solved Paper

Question : 117 of 150

Marks: +1, -0

Indicators used in complexometric titrations are chelating agents. Choose the correct statement about them

Indicator-metal ion complex should have higher stability than EDTA-Metal ion complex
Indicator-metal ion complex should have lower stability than EDTA-Metal ion complex
Indicator-metal ion complex should have equal stability as EDTA-Metal ion complex
Stability of the indicator-metal ion complex is not an important criterion in complexometric titrations

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