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Why generally there is an increase in d...

Why generally there is an increase in density of elements from titanium (` Z=22)` to copper `( Z= 29 )` . In the first series of transition of transiton elements.

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Due to decrease in size and increase in mass.
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Explain the following observation: (i) Generally there is an increase in density of elements from titanium (Z=22) to copper (Z=29) in the first series of transition elements. (ii) Transition elements and their compounds are generally found to be catalysts in chemical reactions.

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Explain the following observation about the transition elements. (i) There is in general an increase in density of the element from titanium (Z=22) to copper (Z=29). (ii) There occurs much more frequent metal-metal bonding in compounds of heavy transition elements (3d series )

Explain the following observations: (i) Many of the transition elements are known to form interstitial compounds. (ii) There is a general increase in density from titanium (Z = 22) to copper (Z = 29). (iii) The members of the actinoid series exhibit a larger number of oxidation states than the corresponding members of the lanthanoid series.

PRADEEP-D- AND F-BLOCK ELEMENTS-CONCEPTUAL QUESTIONS
  1. Among lanthanoids, Ln (III) compounds are predominant. However, occasi...

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  2. How would you account for the fact that the transition metals and thei...

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  3. Why generally there is an increase in density of elements from titani...

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  4. Giving reasons indicate which one of the following would be coloured ?...

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  5. Scandium forms no coloured ions, yet it is regarded as a transition el...

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  6. A substance is found to have a magnetic moments of 3.9BM.How many unpa...

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  7. The paramagnetic character in 3d transition series elements increases ...

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  8. Decide giving reason which one of the following pairs exhibits the pr...

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  9. (a) of the ions Ag^(+),Co^(2+) and Ti^(+), which one will be coloured ...

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  10. Why are the ionisation energies of 5d elements greater than 3d element...

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  11. Describe giving reason which one of the following pairs has the proper...

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  12. Give reason for the following features of transition metal chemistry: ...

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  13. The 4d and 5d series of transition metals have more frequency metal-me...

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  14. Give reasons for each of the following: (i) Size of trivalent lantha...

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  15. Assign reason for each of the following statement: (i) The largest n...

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  16. (i) Which is a stronger reducing agent Cr^(2+) or Fe^(2+) and why ? ...

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  17. Assign reasons for each of the following : (i) Manganese exhibits th...

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  18. Explain why Zn shown only +2 oxidation state.

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  19. Why is first ionization enthalpy of Cu higher than that of Na ?

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  20. Give reason for the following : (i) Mn shows the highest oxidation s...

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