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Why are Mn '2+)' compounds more stąble t...

Why are Mn '2+)' compounds more stąble than Fe towards oxidation to their +3 state?

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It is becausse .(Mn)^(2). . has .3 (~d)^(3). configuration which has extra stability.
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V PUBLICATION-THE d- AND f- BLOCK ELEMENTS-QUESTION BANK
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  2. Write down the electronic configuration of: (i) Cr^(3+) (ii) pm^(3+...

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  3. Why are Mn '2+)' compounds more stąble than Fe towards oxidation to th...

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  4. Explain briefly how +2 state becomes more and more stable in the first...

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  5. To what extent do the electronic configuration decide the stability of...

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  6. What may be the stable oxidation-state of the transition element with ...

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  7. Name the oxometal anions of the first series of the transition metals ...

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  8. Write any one consequence of lanthanoid contraction.

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  9. What are the characteristics of transition elements?

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  10. In what way is the electronic configuration of the transition elements...

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  11. What are the different oxidation' states exhibited by the lanthanoids?

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  12. Explain giving reasons: i. Transition metals and many of their compoun...

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  13. What are interstitial compounds? Why are such compounds well known for...

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  14. In what way is the electronic configuration of the transition elements...

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  15. Describe the preparation of potassium dichromate from iron chromite or...

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  16. Describe the oxidising action of potassium dichromate and write the io...

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  17. Describe the preparation of potassium permanganate, How does the acidi...

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  18. For (M)^(2 *) / (M) and (M)^(3+) / (M)^(2+) systems the (E)^(0) values...

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  19. Predict which of the following will be coloured Fe^(3+) and Co^(2+). G...

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  20. Compare the stability of +2 oxidation state for the elements of the fi...

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