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Draw the structure of Potassium dichroma...

Draw the structure of Potassium dichromate `(K_2Cr_2O_7)`.

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ASSAM ACADEMIC CENTRE-The d and f-block elements-Example
  1. In the first transition series of elements, which element shows highes...

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  2. Transition metel compounds are generally coloured. Why?

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  3. Draw the structure of Potassium dichromate (K2Cr2O7).

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  4. Draw the tetrahedral structure of permanganate ion MnO4^(-).

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

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

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  7. What are lanthanoids?

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

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  9. What are inner transition elements.

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

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

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  12. Write three general chracteristics of transition elements.

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

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

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

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

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

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

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

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

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