I only need question 8. Any help will be appreciated. Please explain why and sho

Question

I only need question 8. Any help will be appreciated. Please explain why and show work

Predict whether the following reactions are spontaneous. Pd(aq)2 + + H2 (g)rightarrow Pd(s) + 2H(aq + ) Pd(aq)2 + + 2e - rightarrow Pd(s) Edegree = 0.987 V Sn(aq)4 + + H2(g)rightarrowSn(aq)2 + + 2H + Sn(aq)4 + + 2e - rightarrow Sn(aq)2 + Edegree = 0.154 V Ni(aq)2 + + H2(g)rightarrowNi(s) + 2H(aq) + Ni(aq)2 + + 2e - rightarrowNi(s) Edegree = - 0.250 V Cd(aq)2 + + H2(g)rightarrow Cd(s) + 2H(aq) + Cd(aq)2 + + 2e - rightarrow Cd(s) Edegree = - 0.403 V From your answers, decide which of the above metals could be reduced by hydrogen. Identify the oxidizing agents and reducing agents in the reactions in question 7.

Explanation / Answer

E^0 CELL IS POSITIVE -----THE REACTION BECOME SPONTANEOUS

1)sponateneous

2))sponateneous

3)non-sponateneous

4)non-sponateneous

Pd and Sn reduced by the hydrogen

8)1) oxidising agent----Pd^+2

reducing agent--------H2

2)oxidising agent--------Sn+4

reducing agent---------H2

3)oxidising agent-----Ni^+2

reducing agent -------H2

4)oxidising agent----- Cd^+2

reducing agent-------H2

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