Question

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A voltaic cell is constructed in which the following cell reaction occurs. The half-cell compartments are connected by a salt bridge. 12(s) + Cu(s) +21+(aq) + Cu²+ (aq) The anode reaction is: The cathode reaction is: - In the external circuit, electrons migrate the l'I, electrode the Cu Cu²+ electrode. In the salt bridge, anions migrate the Cu Cu2+ compartment the I'12 compartment

Answer 1

Iz(s) the (s) 2 I (aq) +4²1 (ar) Here Iz is reduced to . I and it is reduction.. And cu is oxidised to cu 27 it is oxidation. and Again, we know that oxidation takes place at anode, so; © the anode reeaction is : . Cu (s)-e cu 27 (aw) . 4 . And . at the reduction takes place. cathode. so... cathode reaction is : I, (5) +2e → 21 (aw) . 2 from here we can see that eletrons are produced at anode. so, anode is negative (-) pole

and electrons are consumed at cathode.so, it is positive (t) pole. . Again, electrons flow from negative pole to . positive pole in the external circuit: In the external wood circuit electrons migrate to the In|12 electrode from the wlcuta electrode. O A To maintain electrical neutrality of solution cations and anious move through salt bridge. Here anious are produced at cathode. So, it will migrate to an ode beakes. .:: Anion migrate to the cu/ch24 - compartment from In|I2 compart ment.