Ruhab Dabeer
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What is silver + CuCl2 make??
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PizzaMan2989
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No reaction takes place as silver is less reactive than copper
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Ruhab Dabeer
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(Original post by PizzaMan2989)
No reaction takes place as silver is less reactive than copper
But next question says explain why oxidation and reduction takes place?? by using oxidation states
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1st superstar
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tagging Pigster so they can help
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PizzaMan2989
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Please - potassium
Send - sodium
Lions - lithium
Cats - calcium
Monkeys - magnesium
And - aluminium
Zebras - zinc
Into - iron
Lovely - lead
Hot - hydrogen
Countries - COPPER
Signed - SILVER
General -Gold
Penguin - platinum
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PizzaMan2989
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(Original post by Ruhab Dabeer)
But next question says explain why oxidation and reduction takes place?? by using oxidation states
Is this some sort of electrolysis by any chance
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Ruhab Dabeer
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(Original post by PizzaMan2989)
Is this some sort of electrolysis by any chance
No No
It is Transition metals
A level Chem
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PizzaMan2989
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Idk lmao I’m doing GCSE’s
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Ruhab Dabeer
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(Original post by PizzaMan2989)
Idk lmao I’m doing GCSE’s
oh loooooll
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PizzaMan2989
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(Original post by Ruhab Dabeer)
oh loooooll
I’m still interested in the answer though, want to do Chem a level- how are you finding it?
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Ruhab Dabeer
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(Original post by PizzaMan2989)
I’m still interested in the answer though, want to do Chem a level- how are you finding it?
Oh man it tough
I got grade 7 for Chemistry GCSE A level
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Ruhab Dabeer
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(Original post by PizzaMan2989)
Please - potassium
Send - sodium
Lions - lithium
Cats - calcium
Monkeys - magnesium
And - aluminium
Zebras - zinc
Into - iron
Lovely - lead
Hot - hydrogen
Countries - COPPER
Signed - SILVER
General -Gold
Penguin - platinum
Please
Stop
Calling
My
Zebra
In
Class
Stupid
Gay
Prick
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PizzaMan2989
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(Original post by Ruhab Dabeer)
Please
Stop
Calling
My
Zebra
In
Class
Stupid
Gay
Prick
Oh lovely I am aiming for a 9 at GCSE’s but I doubt it will make a difference for a levels
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Da14a
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(Original post by PizzaMan2989)
Oh lovely I am aiming for a 9 at GCSE’s but I doubt it will make a difference for a levels
Eh I got a 9 but still have to put the work in so yh, ur right.
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Ruhab Dabeer
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(Original post by Da14a)
Eh I got a 9 but still have to put the work in so yh, ur right.
oh ok
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Ruhab Dabeer
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(Original post by PizzaMan2989)
Oh lovely I am aiming for a 9 at GCSE’s but I doubt it will make a difference for a levels
It is tough dw
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Deggs_14
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The standard electrode value for copper is 0.34V and the standard electrode value for silver is 0.80V. So the silver is a stronger oxidising agent than copper at as its standard electrode potential is the most positive. If the copper and silver were reacted together the copper would be oxidised and the silver would be reduced. However in the reaction you’ve proposed the silver would be oxidised from Ag(s) to Ag + (aq) and the copper would be reduced from Cu 2+ (aq) to Cu(s).

But using the electrochemical series the reaction isn’t feasible as silver can’t reduce copper but copper can reduce silver. Hence no reaction.
Last edited by Deggs_14; 3 weeks ago
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dxnixl
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(Original post by Ruhab Dabeer)
What is silver + CuCl2 make??
Ag + CuCl2 —> no reaction

for a displacement reaction to take place, Ag (or silver) has to be more reactive than Cu (or Copper). You need to memorise the reactivity series. I remember, for GCSEs I memorised it using a song.

https://youtu.be/DLlykUHHAcQ

I still remember it lmao

It was catchy alright...
Last edited by dxnixl; 3 weeks ago
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Deggs_14
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(Original post by Ruhab Dabeer)
No No
It is Transition metals
A level Chem
The potential oxidising or reductions ability of the species is determined by its standard electrode potential. You’ll be given a table in the question usually but it’s likely you’d be expected to remember which species have a relative more positive or more negative electrode potential compared to another, and hence which species will be oxidised and which species will be reduced.

You should know that silver is reduced in the Tollen’s reagent silver mirror test, as you form a silver precipitate on the test tube. Hence as it’s reduced the same is likely in relation to the oxidising ability of copper.
Last edited by Deggs_14; 3 weeks ago
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Ruhab Dabeer
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#20
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(Original post by dxnixl)
Ag + CuCl2 —> no reaction

for a displacement reaction to take place, Ag (or silver) has to be more reactive than Cu (or Copper). You need to memorise the reactivity series. I remember, for GCSEs I memorised it using a song.

https://youtu.be/DLlykUHHAcQ

I still remember it lmao

It was catchy alright...
Question says tho why is the oxidation and reduction taking place by using oxidation states
Last edited by Ruhab Dabeer; 3 weeks ago
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