Worksheet: Ionic Half-Equations

In this worksheet, we will practice writing and combining ionic half-equations for reactions involving oxidants, reductants, and spectator species.

Q1:

Which one of the following half-equations is not a reduction?

  • ACrCr+3e3+
  • BCl+2e2Cl2
  • CFe+3eFe3+
  • DMnO+4H+3eMnO+2HO4+22
  • ELi+eLi+

Q2:

Which one of the following half-equations is not an oxidation?

  • AMnO+4H+3eMnO+2HO4+22
  • BCrCr+3e3+
  • CMnOMnO+e424
  • DFeFe+3e3+
  • ECaCa+2e2+

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