Strong reducing and oxidizing agents among the following, respectively, are

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Canvas Classes · Accepted Answer

Step 1 — Identify strong reducing agents (easily oxidised):

- : Europium prefers the +3 state (stable  configuration at +3).  () is very stable but readily loses an electron to reach  ()...

Actually,  has  (half-filled, stable), but it is a strong reducing agent because it can donate electrons to reach .

- : Stable configuration; poor reducing agent.

Step 2 — Identify strong oxidizing agents (easily reduced):

- : Ce prefers +3 state (empty  shell at +4 is less stable).  readily accepts an

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