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Yb^(2+) acts as a reductant while Tb^(4...

`Yb^(2+)` acts as a reductant while `Tb^(4+)` act as an oxidant. Why?

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Knowledge Check

  • H_2O_2 acts as a reducing agent in its:

    A
    Reaction with a ferrous salt
    B
    Reaction with iodides
    C
    Reaction with lead sulphide
    D
    Reaction with `KMnO_4` in acid medium

  • KMnO_4 act as an oxidising agent in :

    A
    Acidic medium
    B
    Alkaline medium
    C
    Neutral medium
    D
    All of the above media

  • In which SO_2 acts as oxidant, while reacting with ?

    A
    Acidified `KMnO_4`
    B
    Acidified `K_2Cr_2O_7`
    C
    `H_2S`
    D
    Acidified `C_2H_5OH`
    • ARIHANT PUBLICATION-F-BLOCK ELEMENTS -CHAPTER PRACTICE (SHORT ANSWER TYPE II QUESTIONS 2 MARKS)
    1. Yb^(2+) acts as a reductant while Tb^(4+) act as an oxidant. Why?

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