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

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

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NCERT TELUGU-THE D - ANd F - BLOCK ELEMENTS-Exercises
  1. Write down the electronic configuration of : {:("(i) "Cr^(3+),"(iii)...

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  2. Why are Mn^(2+) compounds more stable than Fe^(2+) towards oxidation t...

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

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  4. To what extent do the electronic configurations decide the stability o...

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

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  6. Name the oxometal anions of the first series of transition metals in w...

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  7. What is lanthanoid contraction ? What are the consequences of lanthano...

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  8. What are the characteristics of the transition elements and why are th...

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  9. In what way is the electronic configuration of transition elements dif...

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  10. What are the different oxidation states exhibited by the lanthanoids ?

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

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  12. What are interstitial compounds ? How are they formed ? Give two examp...

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  13. How is the variability in oxidation states of transition metals differ...

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  14. What is the effect of increasing pH on a solution of potassium dichrom...

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

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  16. Describe the preparation of potassium permanganate.

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  17. For M^(2+)//M and M^(3+)//M^(2+) systems the E^(Theta) values for some...

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  18. Predict which of the following will be coloured in aqueous solution? T...

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  19. Compare the stability of + 2 oxidation state of the elements of the fi...

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  20. Compare the chemistry of the actinoids with that of lanthanoids with r...

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