FeNCS^2+ absorbs light with a wavelength of 447 nm. What color is the light that
ID: 1070204 • Letter: F
Question
FeNCS^2+ absorbs light with a wavelength of 447 nm. What color is the light that FeNCS^2+ absorbs? What color is a solution of FeNCS^2+? The experiment tells you to record %T or absorbance. If you use a digital spectrometer may easily record either. However, if you have an analog spectrometer, you may easily record either. However, if you have an analog spectrometer (one with a sweeping needle) you must record %T even though there are markings for absorbance as well. Why must %T be read on analog spectrometers? What is the absorbance of a solution with a 57.34 % T? When 5.00 mL of 0.0200 M Fe(NO)_3 is mixed with 5.00 mL of 0.00200 M NaSCN it is found that at equilibrium FeNCS^2+ is produced with a concentration of 7.00 times 10^-4 M. Calculate the equilibrium concentration of all species present and the equilibrium constant K_c for the reaction below. Fe^3+(aq) + SCN^-(aq) doubleheadarrow FeNCS^2+(aq)Explanation / Answer
The visible light corresponding to 447 nm is Blue - violet
(a) The color of light absorbed by FeNCS2+ is Blue - violet colour
(b) The color of solution is red in clour
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