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The s-block Elements — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryThe s-block Elements1 Mark
MCQ
Estimation of calcium and magnesium is done by:
  • ✓
    $\text{EDTA.}$
  • B
    oxalate.
  • C
    phosphate.
  • D
    None of these.
✓

Answer

Correct option: A.
$\text{EDTA.}$
Estimation of calcium and magnesium is done by $\text{EDTA}$ in complexometric titration.
Hexadentate ligand $\text{EDTA} ($ethylene diammine tetra acetate$)$ forms metal chelates with calcium and magnesium

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