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Analytical Chemistry question

2018 · Q34
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Analytical Chemistry question

2018 · Q34

IIT JAMChemistryAnalytical ChemistryMultiple correct+2 / −0
Choose the CORRECT answer(s) with respect to the magnesium-EDTA titration carried out in the pH range 7 – 10.5, using Solochrome black as indicator
  1. A
    Magnesium–indicator complex is more stable than the magnesium–EDTA complex
  2. B
    At the end point, the colour changes from red to blue
  3. C
    After the end point, the colour of the solution is due to the indicator
  4. D
    pH range of 7 – 10.5 is necessary for observing the specific colour change
View written solutionFree

Correct answer: B, C, D

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