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You Have Two Samples, One Contains [Cr(CN)6]3- and the Second

Question 2

Multiple Choice

You have two samples, one contains [Cr(CN) 6]3- and the second [CrF6]3-. One solution is yellow, the second is green and they were found to have absorbance maxima at 650 and 380 nm. Unfortunately, you forgot to annotate which sample was which. Based on your knowledge which of the below show the correct assignments?(If needed, use the following equation:Spectrochemical Series I- < Br- < Cl- < F- < OH- < H2O< NH3 < en < NO2- < CN- < CO)


A) [Cr(CN) 6]3- : yellow, 650 nm; [CrF6]3- : green, 380 nm
B) [Cr(CN) 6]3- : yellow, 380 nm; [CrF6]3- : green, 650 nm
C) [Cr(CN) 6]3- : green, 650 nm; [CrF6]3- :yellow, 380 nm
D) [Cr(CN) 6]3- : green, 380 nm; [CrF6]3- : yellow, 650 nm

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