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The electronic configuration of valence ...

The electronic configuration of valence shell of Cr in the ground state as `3d^(5)4s^(1)` in stead of `3d^(4)4s^(2)`. Give reason.

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ASSAM ACADEMIC CENTRE-The d and f-block elements-Example
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  2. How potassium permanganate is prepared in the laboratory?

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  3. The electronic configuration of valence shell of Cr in the ground stat...

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  4. Both Cu and Zn have completely filled 3d atomic orbital. Cu is conside...

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  6. In what way is the electronic configuration of the transition elements...

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  7. Complete the following reaction equation: Cr2O7^(2-) + Sn^2 + H^+ rarr

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  8. Complete the following reaction equation: MnO4^(-) + Fe^(2+) + H^+ rar...

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  9. What is meant by disproportionation? Give one example of disproportion...

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  10. What are alloys? Name one important alloy and give its uses.

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  11. Give reasons: What is lanthanoid contraction?

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  13. Write three general chracteristics of transition elements.

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  14. Describe the oxidising action of Potassium dichromate and write the io...

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  15. Describe the oxidising action of Potassium dichromate and write the io...

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  16. Describe the oxidising action of Potassium dichromate and write the io...

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  17. How would you account for the following? Transition metals and many of...

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  18. How would you account for the following? The enthalpies of atomization...

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  19. How would you account for the following? The transition metal compound...

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  20. Compare the chemistry of Actinoids with that of the Lanthanoids with s...

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