Hey guys! This sounds stupid but I'm really stuck on types on reactions and I'm wondering if anyone could help me out? I'm really not sure what each reaction does e.g addition, displacement, neutralisation, preciptiation etc. I'm not sure how to answer a question that shows an equation and asks "What reaction is this equation representing" Thanks in advance!
Hey guys! This sounds stupid but I'm really stuck on types on reactions and I'm wondering if anyone could help me out? I'm really not sure what each reaction does e.g addition, displacement, neutralisation, preciptiation etc. I'm not sure how to answer a question that shows an equation and asks "What reaction is this equation representing" Thanks in advance!
Oh yeah what is a displacement reaction ? I might of learned it as a different name so just wondering
A displacement reaction is basically when a metal higher up the Electro chemical series "displaces" a compound that has a metal which is lower (In the E.C.S) than that of the metal that is doing the displacing....
It's hard to understand so here's an example:
Iron + Copper Sulfate = IRON SULFATE + Copper
Notice how the "Iron" has took the place of the "Copper" in the sulfate compound and has essentially knocked the copper to the side. This is known as displacement and it takes place, Because iron is higher in the E.C.S than copper, hence why a reaction takes place.
A displacement reaction is basically when a metal higher up the Electro chemical series "displaces" a compound that has a metal which is lower (In the E.C.S) than that of the metal that is doing the displacing....
It's hard to understand so here's an example:
Iron + Copper Sulfate = IRON SULFATE + Copper
Notice how the "Iron" has took the place of the "Copper" in the sulfate compound and has essentially knocked the copper to the side. This is known as displacement and it takes place, Because iron is higher in the E.C.S than copper, hence why a reaction takes place.
Do they usually hide this in a question or will it list for example some metals and you say what metals would cause a displacement reaction ?
Hey guys! This sounds stupid but I'm really stuck on types on reactions and I'm wondering if anyone could help me out? I'm really not sure what each reaction does e.g addition, displacement, neutralisation, preciptiation etc. I'm not sure how to answer a question that shows an equation and asks "What reaction is this equation representing" Thanks in advance!
Addition = Adding something across double bond Neutralisation = Acid + base - Salt + water Precipitation = Solid comes out of solution, due to the fact it is insoluble. Displacement = Already answered.
Hey guys! This sounds stupid but I'm really stuck on types on reactions and I'm wondering if anyone could help me out? I'm really not sure what each reaction does e.g addition, displacement, neutralisation, preciptiation etc. I'm not sure how to answer a question that shows an equation and asks "What reaction is this equation representing" Thanks in advance!
Yeah and a precipitation reaction is when two soluble liquids make an insoluble product. In a question they will give you two reactants that should be very soluble and the product should be insoluble in order for this kind of reaction to take place. To know the solubility consult your data booklet.
Addition is really taking and alkene and breajking the double bond and replacing it with simple molecules such as water or bromine. To make the bonds single and covalent.
A neutralisation reaction - there are 4 you need to know
Acid + Alkali gives you a salt and water
Acid + metal carbonate gives you a salt, water and carbon dioxide
You need to know how to draw a chain of the monomer units when given the monomer. If they give you a polymer you need to be able to identify the monomer used to make it. I don't think u need to name it, But you have to be able to draw the monomer. You need to be able to differentiate between a condensation and addition polymer. You need to be able to draw the repeating unit.
These all come under addition/condensation polymerisation.
I think it would be handy to know a few natural and synthetic polymers off by heart just in case you get a cheeky open ended question and you want to show off or something lol