Decide whether or not each of the following metals dissolves in 1 molL−1 HCl. For those...
Decide whether or not each of the following metals dissolves in 1 molL−1 HCl. For those metals that do dissolve, write a balanced redox reaction showing what happens when the metal dissolves.
Mn
Homework Answers
Oxidation half cell---
Mn---->Mn2+ + 2e- E°= 1.18v
Reduction half cell--
2H+ +2e- ----> H2 E°=0.00v
So Mn is oxidized in 1 M HCl solution.
Redox cell reaction ---
Mn(s) + HCl(aq) ----> Mn2+(aq) + H2(g)
Mn converted into Mn2+(aq) in solution. Thus Mn is dissolve in HCl solution
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