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Account for the folloiwng: Mn^(2+) is mo...

Account for the folloiwng: `Mn^(2+)` is more stable than `Fe^(2+)` towards oxidaton to +3 state.

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ASSAM ACADEMIC CENTRE-The d and f-block elements-Example
  1. Draw the tetrahedral structure of permanganate ion MnO4^(-).

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  2. Write down the electronic configuration of each of the following ions....

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

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  4. What are lanthanoids?

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  5. Which matal in the first series of transition metal exhibite +1 oxidat...

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  6. What are inner transition elements.

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  7. What are transition elements? Give the general electronic configuratio...

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  8. Mention one factor in favour of presence of matal-matal bonding in com...

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  9. Write three general chracteristics of transition elements.

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

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  11. What are transition elements? Give the general electronic configuratio...

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  12. What are transition elements? Give the general electronic configuratio...

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  13. Fill up the gaps: Uranium is an element ofseries.

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  14. Fill up the gaps: The compoundis known as philosopher's wool.

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  15. In the transition series with an increase in atomic number the atomic ...

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  16. Give reasons: Why is first ionization enthalpy of Cu is higher than th...

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  17. Why is the third ionization energy of manganese (at no 25) unexpectedl...

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  18. Name one ore of Manganese and Chromium.

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  19. Transition metel compounds are generally coloured. Why?

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  20. Give reasons: Why is HCl not used to acidify a permanganate solution i...

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