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Why do the melting points decrease in go...

Why do the melting points decrease in going from NaF to Nal?

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`NaFgtNaClgtNaBrgtNalgt` Greater the difference in electronegativity, more will be ionic character, higher will be the melting point due to high lattice energy.
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CENGAGE CHEMISTRY ENGLISH-APPENDIX - INORGANIC VOLUME 1-Exercise Short
  1. why the number of elements in the first period is only 2?

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  2. On the basis of their electronic configuration, explain why alkali met...

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  3. Why do the melting points decrease in going from NaF to Nal?

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  4. Why are group 1 elements called alkali metals ?

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  5. Give five characteristics of d-block elements.

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  6. (a) What was the basis of Mendeleev's Classification of elements ? (...

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  7. Why does the solubility of alkaline earth metal carbonates and sulphat...

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  8. why is melting point of LiCI lower than NaCI?

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  9. Arrange the following in increasing order: a. BeCO(3),BaCO(3),CaCO(3...

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  10. Which alkali metal carbonate is thermally unstable and why?

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  11. The element which has highest electron affinity ?

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  12. What is diagonal relationship?

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  13. Give four characteristics of f-block elements.

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  14. Why are electron affinities of noble gases zero? Arrange halogens in i...

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  15. Arrange the species in each group in order of increasing ionisation en...

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  16. State the factors which affect electronaffinity

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  17. Explain the term (a) screening effect

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  18. which has higher 1st ionisation energy B or Be and why?

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  19. How does reducing power of elements vary in group 1?

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  20. a. Among Cu^(o+),Cu^(2+) and Cu which is the largest in size and why? ...

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