Fe3+(yellow) + NCS- (colourless) <-> FeNCS2+ (blood red)
when i add one more drop of Fe3+ solution into test tube
and one more drop of NCS-solution into other test tube
explain why added Fe3+ solution is blood red while added NCS-solution is reddish dark ?
By le Chatelier's principle , the equilibrium position shifts from left to right when conc . increased . why the colors are different ?