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Write all posible oxidation state of an ...

Write all posible oxidation state of an element having atomic number `25`.

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The correct Answer is:
`E.C of ._25Mn=[Ar]^(18) 3d^(5) 4s^(0)`. It shows oxidation states of `+2,+3,+4,+5, +6 and +7`.
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RESONANCE-D BLOCK ELEMENTS-EXERCISE-3 PART-III
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  2. Assign reason for each of the following statement: (i) The largest n...

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  3. Write all posible oxidation state of an element having atomic number 2...

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  4. Why is +2 oxidation state of mmanganese quite stable while the same is...

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  5. How is the variability in oxidation states fo transition metals differ...

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  6. Write the electronic configuration of the element with atomic number 1...

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  7. (a) Describe the general trends in the following properties of the fir...

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  8. How would you account for the fact that the transition metals and thei...

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  9. Assign reasons for the following : (i) The enthalpies of atomisatio...

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

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  11. (a) Complete the following chemical reaction equation :(i)MnO(4(aq))^(...

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  12. Explain the following observation: (i) Generally there is an increas...

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  13. How would you account for the following? (i) The atomic radii of the...

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  14. Explain the following cases giving appropriate reason: (i) Nickel do...

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  15. (a) Complete the following chemical equation: (i) Cr(2)O(7)^(2-)(aq)...

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  16. How would you account for the following? (i) The atomic radii of the...

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  17. Explain the following observation: (i) Transiton elements generally ...

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  18. What is meant by the 'lanthanide contraction'? Mention one important f...

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  19. How would you account for the following: (i) Cr^(2+) is reducing in ...

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  20. Complete the following chemical equation: (i) MnO(4)^(-)(aq)+s(2)O(3...

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