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Give four characteristics of d-block ele...

Give four characteristics of `d`-block elements.

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a. They show variable oxidation state.
b. They form coloured ions.
c. They are used as catalst.
d. They form alloys.
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CENGAGE CHEMISTRY-APPENDIX - INORGANIC VOLUME 1-Exercise Short
  1. Give the order in which the melting points of halides of sodium decrea...

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  2. Why are group 1 elements called alkali metals and group 17 are called ...

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  3. Give four characteristics of d-block elements.

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  4. Give any two features of Mendeleev's periodic table.

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  5. How do the solubilities of alkaline earth metal sulphate and carbonate...

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

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

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

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  9. Out of O and S which has higher electron affinity and why?

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  10. What is diagonal relationship? Why does Li resemble with Mg?

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  11. Give four characteristics of f-block elements. Why are they called inn...

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

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

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  14. What are the factors that affect electron affinity?

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  15. Explain the term (a) screening effect (b) penetration effect and ( c )...

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  16. a. Explain why the second ionisation energy of B is significantly high...

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  17. a. How does basic character of oxides and hydroxides vary down the gro...

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

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  19. Give five characteristics of p-block elements.

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  20. Give advantages of long form of periodic table.

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