Equilibrium Experiment Flashcards
1
Q
Iron (III) chloride + potassium thiocyanate
A
Red
Equilibrium lies on the right
2
Q
Add hydrochloric acid
A
Red colour disappears
Equilibrium shifted to left to replace the Fe ions removed
3
Q
Add potassium thiocyanate
A
Red complex reforms
Equilibrium shifted right
4
Q
Equation
A
Fe3+ + CNS- = FeCNS2+