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Give reasons: Why is first ionization en...

Give reasons: Why is first ionization enthalpy of Cu is higher than that of Na?

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ASSAM ACADEMIC CENTRE-EXAM PAPER 2013-Example
  1. Calculate the emf of the cell at 298K, in which the following reaction...

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  2. Ozone acts as a powerful oxidizing agent. Give reason.

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  3. Answer the following: Complete the following reaction: HNO3 overset(P4...

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  4. Answer the following: Which reaction was used by Bartlett to prepare t...

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  5. Answer the following: KHF2 is known but KHCl2 is not known. Give reaso...

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  6. Answer the following: Bismuth is a strong oxidizing agent in the penta...

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  7. Complete the following chemical reaction equations: F2(g) + H2O(l) rar...

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  8. Complete the following chemical reaction equations: Ca3P2(s) + H2O(l) ...

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  9. Complete the following chemical reaction equations: P4 + NaOH + H2O ra...

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  10. Draw the structure of the following molecules and mention their shapes...

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  11. Draw the structure of the following molecules and mention their shapes...

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  12. Give reasons: Why are Zn, Cd, and Hg normally not regarded as transiti...

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

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  14. Give reasons: Name one ore each of the manganese and chromium.

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

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  16. Give reasons: What is lanthanoid contraction?

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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. How potassium permanganate is prepared? Give necessary chemical equati...

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