Symbol of element. Name of element. Most Reactive. Least reactive. Hydrogen is a non-metal but still it has been included in the reactivity series as it helps in the comparison of reactivity of metals. Double displacement reactions are those reactions where the cations and anions of reactants switch places with each other or replaces each other.
Generally, it can be represented as follows —. Example of double displacement reaction — Reaction between silver nitrate and sodium chloride is an example of double displacement reaction.
The reaction given below —. Examples of single displacement reaction —. Reaction between zinc and copper sulphate —. Reaction between copper and silver nitrate —. Reaction between iron and copper sulphate —. An anion is a negatively charged ion or non-metal. For example, more reactive halogen replaces less reactive halogen from its solution. Here, we will discuss the reaction between iron nails and copper sulphate solution.
Cite this Simulator:. Single Displacement Reaction. Our Objective To study a single displacement reaction with the help of iron nails and copper sulphate solution. Theory What is a displacement reaction? Example : Reaction of iron nails with copper sulphate solution. Examples are halogens. Note the point: An important thing to remember with single displacement reaction is that elements that form cations can only displace cations and elements that form anions can only displace anions.
Classification of single displacement reaction: Anion replacement reaction Cation replacement reaction A Cation Replacement Reaction In this reaction, one cation replaces another one from its solution. Let us demonstrate some examples of cation replacement reactions. They are going to proceed. Meaning, I'm telling you that iron here is more reactive than copper.
Here zinc is more reactive than copper and here lead is more reactive than copper. Now can you pause the video and think about what are the products that are going to be formed in these reactions? Pause the video and give it a try. Now if you have tried it, let's see. So in this reaction says iron is more reactive than copper.
Iron is going to displace copper from it's sulfate and form iron sulfate. Iron sulfate, SO4 and plus we will get copper atom displaced, separated out. Similarly here zinc is more reactive so it will displace copper out from it's sulfate.
And finally we will get zinc sulfate, zinc sulfate plus copper atom. And similarly here lead is going to displace copper and form lead chloride, PbCl2. And along with this, copper atom will be displaced, copper atom.
Now after this let's look at a slightly different problem. So here I have copper in iron sulfate solution. What do you think will be the product in this case?
Now that you have tried it, let's see. So see, we have already seen that iron is more reactive than copper. So that means that in this reaction, copper is less reactive than iron.
That means copper cannot displace iron. It cannot kick out iron from a sulfate. That means that this reaction cannot proceed, it will not happen. And we will have iron sulfate and copper in it. Now you might be wondering, Ram, how am I supposed to know which element is more reactive than the other?
So for this scientists have been doing a lot of experiments, a lot of reactions and they have prepared a list. They have listed down, they have organized all the elements or most of the elements in order of their reactivity. So this is the reactivity series. While it does not have all the elements but the ones that we are going to use the most.
Now see, in this series the element that is higher up is going to be more reactive than the element that is lower in the series. For example here calcium, calcium is above oh, let's say, aluminum. So calcium is more reactive than aluminum and it can displace aluminum from it's compound. Whereas calcium is lower than sodium in the series. That means sodium is more reactive than calcium or calcium is less reactive. That means sodium can displace calcium.
During the reaction:. For example, magnesium is more reactive than copper. When a piece of magnesium is dipped into blue copper sulfate solution:. Here are the equations for the reaction:.
No reaction is seen if you do things the other way round — in other words, if you put copper powder into magnesium sulfate solution.
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