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Give reasons: What is lanthanoid contrac...

Give reasons: What is lanthanoid contraction?

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ASSAM ACADEMIC CENTRE-The d and f-block elements-Example
  1. What is meant by disproportionation? Give one example of disproportion...

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

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  3. Give reasons: What is lanthanoid contraction?

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  4. What are interstitial compounds? Mention principla physical and chemic...

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  5. Write three general chracteristics of transition elements.

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

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

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

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

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

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

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

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

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

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

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

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  17. A blackish brown coloured solid 'A' when fused with alkali metal hydro...

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  18. What happens when an acidic solution of the green compound 'B' is allo...

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  19. Give reasons for the following. Among the lanthanoid, Ce (III) is easi...

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  20. Give reasons for the following. Fe^(3+)//Fe^(2+) redox couple has less...

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