Given the following half-reactions, answer the questions below: Ce^4+ (aq) + e^-

ID: 971697 • Letter: G

Question

Given the following half-reactions, answer the questions below:

Ce^4+ (aq) + e^- ---> Ce^3+ (aq) +1.61 Volts E standard reduction

Ag+(aq) + e^- -----> Ag(s) +0.80 Volts E standard reduction

Hg2^2+(aq) + 2e^- -----> 2Hg(l) +0.79 Volts E standard reduction

Sn^2+(aq) + 2e^- ------> Sn(s) -0.14 Volts E standard reduction

Ni^2+ (aq) + 2e^- --------> Ni (s) -0.25 Volts E standard reduction

Al^3+(aq) + 3e^- -------> Al(s) -1.66 Volts E standard reduction

a. ________Which is the weakest oxidizing agent?

b.________Which is the strongest oxidizing agent?

c. _______ Which is the strongest reducing agent?

d. ________ Name an ion that can be reduced by Sn(s)

e. ________Name a metal that can be oxidized by Ag^+ (aq)

(a) Lower is the reduction potential weaker is the oxidising nature.

Hence, Weakest oxidising agent is Al3+

(b) Higher the reduction potential stronger is the oxidising nature.

So, strongest oxidising agent is Ce4+

(d) Sn2+, Hg22+, Al3+, Ni2+

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