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)

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)
Answer» `0.0036 M` `0.0037 M` `0.0035 M` NONE of these Answer :A