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Write the following redox reactions usin...

Write the following redox reactions using half equations:
a. `Zn(s)+PbCl_(2)(aq)rarrPb(s)+ZnCl_(2)(aq)`.
b. `2Fe^(3+)(aq)+2I^(ө)(aq)rarrI_(2)(aq)+2Fe^(2+)(aq)`
c. `2Na(s)+Cl_(2)(g)rarr2NaCl(s)`
d. `Mg(s)+Cl_(2)(g)rarrMgCl_(2)(s)`
e. `Zn(s)+2H^(o+)(aq)rarrZn^(2+)(aq)+H_(2)(g)` .

Text Solution

Verified by Experts

(i) `Zn rarr Zn^(2+) + 2e^(-)` , `Pb^(2+) + 2e^(-) rarr Pb`
(ii) `2I^(-) rarr I_(2) + 2e^(-)` , `3Fe^(3+) + 2e^(-) rarr Fe^(2+)`(iii) `2Na rarr 2Na^(+) + 2e^(-)` , `Cl_(2) + 2e^(-) rarr 2Cl^(-)`
(iv) `Mg rarr Mg^(2+) + 2 e^(-)` , `Cl_(2) + 2e^(-) rarr 2Cl^(-)`
(v) `Zn rarr Zn^(2+) + 2e^(-)`, `2H^(+) + 2e^(-) rarr H_(2)`
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