Chemistry Practicals Class 10
Displacement Reactions
- Teach science experiments in a gamified way
- Boost conceptual clarity and knowledge retention
- Aligned with National Education Policy 2020
- Helpful in getting NAAC accreditation
- CBSE, ICSE, and state boards aligned curricula
- Engaging simulations with easy-to-teach instructions
About Simulation
- You will have the opportunity to interactively participate in the simulation, where you can place iron nails into a copper sulphate solution and observe the reaction unfold virtually.
- Through this simulation, you can grasp the concept of single displacement reactions in chemistry more comprehensively.
- By engaging with the simulation, you can observe firsthand the reaction between iron nails and copper sulphate solution, enhancing your understanding of chemical processes.
- Visual elements within the simulation will allow you to witness the colour change in the solution and the deposition of copper on the iron nails, providing a visual aid to aid comprehension.
- Through this interactive experience, you can gain insights into the reaction mechanism and learn about the properties of single displacement reactions in a dynamic and engaging manner.
Simulation Details
Description
A displacement reaction is a chemical reaction in which a more reactive element displaces a less reactive element from its compound. Both metals and non-metals take part in displacement reactions.
Example: Reaction of iron nails with copper sulphate solution.
How is the chemical reactivity of metals linked with their position in the electrochemical series?
The chemical reactivity of metals is linked to their relative positions in the activity series. Certain metals can displace some metals from the aqueous solutions of their salts. A metal placed higher in the activity series can displace the metal that occupies a lower position in the activity series. The displacement reaction is not limited to metals alone. Even non-metals can take part in these reactions.
Examples are halogens. The activity series of halogen is F > Cl > Br > I.
Note: An important thing to remember with a 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:
(A) Cation Replacement Reaction
In this reaction, one cation replaces another one from its solution. A cation is a positively charged ion or metal. All metal displacement reactions are cation replacement reactions.
Some examples of cation replacement reactions.
- If a strip of magnesium metal is placed in a copper sulphate solution, the blue colour of the copper sulphate disappears, and the magnesium metal turns brown as the displaced copper is deposited on it. Magnesium is more reactive than copper, and it displaces copper from the copper sulphate solution.
If a less reactive metal is added to a salt solution of a more reactive metal, nothing will happen.
(B) Anion Replacement Reactions
In this reaction, one anion replaces another one from its solution. An anion is a negatively charged ion or non-metal. For example, more reactive halogen replaces less reactive halogen from its solution.
- Chlorine displaces bromine from an aqueous solution of sodium bromide.
Requirements for this Science Experiment
- Iron nails
- Copper sulphate solution
- Test tubes
- Test tube stand
- Sandpaper
- Thread
- Watch glass
- Stand with a clamp
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