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Give the reason for negative E^@ value f...

Give the reason for negative `E^@` value for `Ni^(2+)//Ni`.

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R G PUBLICATION-THE d-AND f-BLOCK ELEMENTS-EXERCISE
  1. Flourine is more electronegative than oxygen. Oxygen foms compound Mn2...

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  2. Between the couple Cr^(3+)//Cr^(2+) and Fe^(3+)//Fe^(2+) whose E value...

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  3. Give the reason for negative E^@ value for Ni^(2+)//Ni.

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  4. What is 'spin only' formula?

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  5. The observed magnetic moment of a transition melal ion is 5.96 BM. Cac...

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  6. Copper (I) and d^(10) configuration, while copper (II) has d^9 configu...

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  7. Draw the structure of Cr2O7^(2-) ion.

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  8. At room temperature why the reaction between oxalic acid and acidified...

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  9. Why La^(3+) ions are coloured?

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  10. Write the composition of mischmetal.

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  11. Write the composition of mischmetal.

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  12. What are inner transition elements.

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  13. What are coinage metals.

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  14. Explain the folloiwng phenomenon: Transition metals are much harder th...

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  15. Actinoid contraction is greater from element to element than lanthanoi...

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  16. How will you prepare: K2MnO4 from MnO2?

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  17. How will you prepare: Na2Cr2O7 from Na2CrO4?

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  18. Account for the folloiwng: Mn^(2+) is more stable than Fe^(2+) towards...

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  19. Account for the folloiwng: The enthalpy of atomization is lowest for Z...

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  20. Account for the folloiwng: Actinoid elements show wide range of oxidat...

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