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Write ionic equation for thhe reaction...

Write ionic equation for thhe reaction between `Cr_(2) O_(7)^(2-)` ions and `Fe^(2+)` ions in acidic medium .

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`Cr_(2) O_(7)^(2-) + 14H ^(+) + 6Fe^(2+) to`
`2Cr^(3+) + 6Fe^(3+) + 7H_(2) O`
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SURA PUBLICATION-TRANSITION AND INNER TRANSITION ELEMENTS-Very Short Answer
  1. Write the electronic configuration of the element with atomic ...

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  2. Write ionic equation for thhe reaction between Cr(2) O(7)^(2-) ions...

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  3. What are coinage metals ?

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  4. Give the general electronic configuratin of actinides ?

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  5. Why lanthanoids are called f block elements

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  6. Write the outer electronic configuration of Cr atom (Z= 14)

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  7. Why is Ce^(4+) aquesous solution is a good oxidising agent ?

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  8. Why do transition metals have high enthalpy of hydration ?

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  9. Calculate the magnetic moment of Fe^(3+) ion (atomic no. of Fe=26...

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  10. Arrange the following in increasing order of acidic character ? ...

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  11. Why transition elements form complexes ? (OR) why do d-block el...

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  12. Why Zn^(2+) salts are white Ni^(2+) salts are coloured ?

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  13. Comparing La(OH)(3) and Lu(OH)(3), which is more basic and explain why...

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  14. Silver atom has completely filled d- orbitals (4d^(10)) in its gr...

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  15. (i) Name the element showing maximum number of oxidation states ...

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  16. What happens when KMnO(4) is treated with KI?

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  17. Complete the following equations . (i) 2 CrO(4)^(2-) + 2H^(+) to ...

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  18. Orange colour of Cr(2)O(7)^(2-) ion charges to yellow in alkali...

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  19. Define standard electrode potential.

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  20. Many industrial processes use transition metal or their compoun...

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