EDTA is used for the estimation ofA. `Na^(+)` and `K^(+)` ionsB. `Cl^(-)` and `Br^(-)` ionsC. `Cu^(2+)` and `Ag^(+)` ionsD. `Ca^(2+)` and `Mg^(2+)` ions

EDTA is used for the estimation ofA. `Na^(+)` and `K^(+)` ionsB. `Cl^(

1.	EDTA is used for the estimation ofA. `Na^(+)` and `K^(+)` ionsB. `Cl^(-)` and `Br^(-)` ionsC. `Cu^(2+)` and `Ag^(+)` ionsD. `Ca^(2+)` and `Mg^(2+)` ions
Answer» Correct Answer - 4 `Ca^(+2)` and `Mg^(+2)` form complexes with EDTA.

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The secondary valence of `Co^(-3)` is 6. Calculate the number of moles of AgCl precipitated, when excess of `AgNO_(3)` solution is added to 1.5 lit of 0.2 M. `CoCl_(3). 5 NH_(3)` solution
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EDTA is used for the estimation ofA. `Na^(+)` and `K^(+)` ionsB. `Cl^(-)` and `Br^(-)` ionsC. `Cu^(2+)` and `Ag^(+)` ionsD. `Ca^(2+)` and `Mg^(2+)` ions

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