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Why are Mn^(2+) compounds more stable th...

Why are `Mn^(2+)` compounds more stable than `Fe^(2+)` compounds towards oxidation to their +3 state ?

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JMD PUBLICATION-d-And f-BLOCK ELEMENTS-Example
  1. The E°(M^2+/M)value for copper is positive (+0.34 V). What is the p...

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  2. Why does Mn(II) shows maximum paramagnetic character among the dival...

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  3. Why are Mn^(2+) compounds more stable than Fe^(2+) compounds towards o...

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  4. Transition metals form mostly coloured compounds.Explain.

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  5. Most of the compounds of transition elements are paramagnetic in natur...

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  6. Explain :Transition elements exhibit variable oxidation states.

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  7. Explain why Cu(I) is diamagnetic while Cu(II) is paramagnetic.

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  8. Why are halogens coloured ?

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  9. Sc^(3+) ion is colourless while Cr^(3+) Ion is coloured. Explain.

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  10. Transition metals form alloys with other transition metals. Explain.

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  11. Transition elements and their compounds are found to be good catalysts...

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  12. Transition metals formlarge number of complex compounds.Explain.

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  13. Why is the highest oxidation state of a metal exhibited in its oxide...

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  14. Which is stronger reducing agent Cr^(2+) or Fe^(2+) and why ?

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  15. Why are Min^(2+) compounds more stable than Fe^(2+) towards oxidation ...

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  16. What is meant by ‘disproportionation' of an oxidation state ? Give a...

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  17. Why Zn, Cd, Hg are soft and have low m.pt.

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  18. The d^1 configuration is very unstable in transition metal ions. Exp...

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  19. Which does not belong to first transition series?

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  20. In Alkaline solution we have chromates and in acidic solution, dichrom...

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