The average person can see the red colour imparted by the complex `[Fe(SCN)]^(2+)` to an aqueous solution if the concentration of the complex is `6xx10^(-6)` M or greater.What minimum concentration of KSCN would be required to make it possible to detect 1 ppm (part per million) of Fe(III) in a natural water sample ? The instability constant for `Fe(SCN)^(2+)hArrFe^(3+)+SCN^(-) "is"7.142xx10^(-3)`A. `0.0036 M`B. `0.0037 M`C. `0.0035 M`D. None of these

The average person can see the red colour imparted by the complex `[Fe

1.	The average person can see the red colour imparted by the complex `[Fe(SCN)]^(2+)` to an aqueous solution if the concentration of the complex is `6xx10^(-6)` M or greater.What minimum concentration of KSCN would be required to make it possible to detect 1 ppm (part per million) of Fe(III) in a natural water sample ? The instability constant for `Fe(SCN)^(2+)hArrFe^(3+)+SCN^(-) "is"7.142xx10^(-3)`A. `0.0036 M`B. `0.0037 M`C. `0.0035 M`D. None of these
Answer» Correct Answer - A 0.0036M must be the correct answer

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