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QUESTION
A student isstudying the equilibrium represented by the equation : 2CrO 4 2- (aq, yellow) +2H 3 O + (aq) Cr 2 O 7 2- (aq, orange) +3H 2 O(l) The...
A student isstudying the equilibrium represented by the equation :
2CrO42-(aq, yellow) +2H3O+(aq) Cr2O72-(aq, orange) +3H2O(l)
The mixture obtained by the student is yellow.
After having added HCl initially and then solidNa2CrO4 to the above equation, what colorchange should the student observe after adding excess NaOH solutionto the latter mixture? Use Le Chatalier's Principle to brieflyexplain.
