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Write the formula of different oxides of...

Write the formula of different oxides of manganese. What is the oxidation state of Maganese in each of them ? Arrange them in order of their decreasing acidic character.

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`underset("Basic")overset(+2)(MnO)" "ubrace(overset(+8//3)(Mn_(3))O_(4)" "overset(+3)(Mn_(2))O_(3)" "overset(+4)(Mn)O_(2))_(" Amphoteric")" "underset("Acidic")(overset(+7)(Mn_(2))O_(7))`
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PRADEEP-D- AND F-BLOCK ELEMENTS-CONCEPTUAL QUESTIONS
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  2. (a) Following are the transition metal ions of 3d series: Ti^(4+),V^...

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  3. Write the formula of different oxides of manganese. What is the oxidat...

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  4. What is the effect of increasing pH on the colour of K(2)Cr(2)O(7) sol...

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  5. In the titratin of Fe^(2+) ions with KMnO(4) in acidic medium, why dil...

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  6. Give the relationship between the equivalent weight and molecular weig...

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  7. Why is it not advisable to dissolve KMnO(4) in conc. H(2)SO(4) ?

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  8. Why in permanganate ion, there is a covalency between Mn and oxygen ?

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  9. When chromite ore FeCr(2)O(4) is fuse with NaOH in presence of air, a ...

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  11. The +3 oxidation states of langthanum ( Z= 57), gadolinium (Z= 64) and...

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  12. The outer electronic configuration of two members of the lanthanoid se...

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  13. Why Zr and Hf or Nb and Ta exhibit similar properties? Or Zirconium ...

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  14. Why Sm^(2+), Eu^(2+) and Yb^(2+) ions in solutions are good reducing a...

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  15. One among the langthanides ,Ce(III), can be easily oxidized to Ce(IV)(...

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  16. Which out of the two, La(OH)(3) and Lu(OH)(3) is more basic and why ?

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  17. The electronic configuration of actinide elements are not known with c...

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  18. How would you account for the fact that actinoids exhibit a larger num...

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  19. The actinide contraction differs from lanthanide contraction ? Explai...

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  20. Account for the following : (i) Oxidizing power in the series : VO^(...

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