Use Le Châtelier's principle to predict whether the solubility of BaF2 will increase, decrease, or remain the same on addition of each of the following substances. (b) KF

Video transcript

Hey everyone, we're asked based on the shot lays principle, what will happen to the scalability of silver cyanide when sodium cyanide is added to the solution first. Let's go ahead and write out our reactions here. So we have our silver cyanide which is in its solid state. This will dissociate into our silver ion plus our cyanide ion. Now let's go ahead and take a look at our sodium cyanide which is in its a qui estate. This is going to disassociate into our sodium ion plus our cyanide ion. Now looking at our two reactions, we can see that we have a common ion which is going to be our cyanide ion. Now this is important because the concentration of our cyanide ion will increase and because of this increase, our equilibrium will shift in the reverse direction. So our silver ion and our cyanide ion will react to form silver cyanide. So the answer here is going to be be the scalability of silver cyanide will decrease. Now, I hope this made sense. And let us know if you have any questions