(may be broke/outdated!)
What happens when you connect two silver wires immersed in 0.1M HCl to the poles of a 1.5 V battery and passing current for some time? What are the reactions that occur at the anode and cathode? Which reactions will be more favorable? Please explain in detail.
Thank you so much.
So we can’t get silver chloride at either electrode using this method, do we? How else can we?
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2 Responses
2H+ + e -> H2
Cl2 + e –> Cl-
ALSO for OH-.
anode is the oxidised. cathode is reduced
Ecell > 0 => feasible reaction
The anode (+) wire will attract negative chloride ions and accept an electron from each to make it a chlorine atom. Pairs of these atoms will form chlorine molecules. At the cathode (-), the hydronium cations (hydrated protons) will each accept an electron to become hydrogen atoms, and pairs of those atoms will form hydrogen molecules.
If you invert water-filled test tubes over each wire, you can collect the gases.