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Why do most transition metal ions exhibi...

Why do most transition metal ions exhibit paramagnetism ?

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This is because most of the transition metal ions have unpaired electrons.
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Most of the transition metals exhibit (i) paramagnetic behaviour (ii) diamagnetic behaciour (iii) variable oxidation states (iv) formation of coloured ions

Most of the transition metals exhibit (i) paramagnetic behaviour (ii) diamagnetic behaciour (iii) variable oxidation states (iv) formation of coloured ions

Assign reason for each of the following : Transition elements exhibit paramagnetic behaviour .

Which one of the following transition metal ions is diamagnetic?

Why do transition metals exhibit the property to form alloys and complexes ?

Why do the transition elements exhibit higher enthalpies of atomisation?

Explain the following : (i) Why do transition metal ions possess a greater elements increases upto Mn and then decrease.

Define paramagnetic and ferromagnetic substances ? Account for the paramagnetic character of transition metal compounds. How does the paramagnetic character of the divalent ions of first transition metal series vary from Ti (Z = 22) to Cu (Z=29) ?

(a). Why do second and third rows of transition elements resemble each other more closely than the first row? Give reasons: (b). Most transition metals show paramagnetic behaviours. (c). Transition metal and their many compounds are coloured.

Which bivalent ion of first transition series show the highest paramagnetism?

ICSE-d- AND- f- BLOCK ELEMENTS-EXERCISE (PART-II) (DESCRIPTIVE QUESTIONS)(VERY SHORT ANSWER QUESTIONS)
  1. Why do transition elements have high value of hydration enthalpy?

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  2. Why Fe^(2+) has smaller radius than Mn^(2+) ?

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  3. Why do most transition metal ions exhibit paramagnetism ?

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  4. How is the magnetic moment of a species related to the number of unpai...

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  5. The electronic configuration of Co^(2+) and Cu^(2+) is d^7 and d^(9) r...

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  6. Which of the following is paramagnetic ? Sc^(3+) (Z=21),Cu^(+)(Z=29)

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  7. Why is Ti^(2+) ion paramagnetic ?

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  8. One unpaired electron in an atom contributes a magnetic moment of 1.1 ...

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  9. Why do transition elements shows variable oxidation states?

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  10. Why are complex ions readily formed when water molecules react with th...

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  11. Arrange the following in increasing order of basic character: MnO, ...

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  12. Arrange the following in increasing order of acidic character: CrO,...

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  13. What happens when KMnO4 is heated ?

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  14. What is Baeyer's reagent ?

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  15. Why is KMnO4 kept in dark bottles ?

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  16. Why is HCl not used to acidify a permanganate solution in volumetric e...

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  17. Why is K(2)Cr(2)O7 generally preferred over Na(2)Cr(2)O(7) , in volume...

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  18. What happens when chromates are kept in acidic solution and dichromate...

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  19. In permanganate ion, all the bonds formed between Mn and oxygen are co...

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  20. Why lanthanoids and actinoids are called f-block elements?

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