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Explain why transition metal ions usuall...

Explain why transition metal ions usually show paramagnetic behaviour.

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Form of sulphur which shows paramagnetic behaviour

(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.

Explain gives reason. (a) Transition metal and many of their compounds show paramagnetic behaviour. (b) The enthalpies of atomisation of the transition metal are high . © The transition metals generally from coloured compounds.

Assertion (A): The transition metal ions are generally paramagnetic in nature Assertion (R): Metal ions with incompletely filled d-orbitals are paramagnetic in nature.

PRADEEP-D- AND F-BLOCK ELEMENTS-ADDITIONAL QUESTIONS (SHORT ANSWER QUESTIONS )
  1. Explain why transition metals and their many compounds act as good cat...

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  2. The tendency of the transition elements to form coloured compounds is ...

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  3. Explain why transition metal ions usually show paramagnetic behaviour...

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  4. Why do the transition elements exhibit higher enthalpies of atomisatio...

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  5. What are interstitial compounds? Why are such compounds well known for...

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  6. Explain the following properties of transition elements. (i) Variab...

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  7. Why do transition metals form coloured complexes ?

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  8. (a) Following are the transition metal ions of 3d series: Ti^(4+),V^...

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  9. Write down the formula of potassium dichromate.

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  10. When H(2)O(2) is added to a acidified solution of K(2)Cr(2)O(7):

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  11. Give equation forchromyl chloride test.

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  12. Name the gas evolved when concentrated HCI is added to powdered potass...

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  13. Write an equation in ionic form to represent the oxidizing actionof Cr...

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  14. Why Mn^(2+) compounds are more stable than Fe^(2+) compounds towards o...

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  15. Give the preparation of potassium permanganate from pyrolusite ore.

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  16. What happens when (i) KMnO(4) is heated (ii) K(2)Cr(2)O(7)is heated.

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  17. What happens when acidified KMnO(4)reacts with (i) H(2)S (ii)Oxalic ac...

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  18. Describe the oxidising property of KMnO(4) in neutral or faintly alkal...

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  19. What chemical changes take place when (i) MnO(2) is fused with KOH in ...

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  20. Write ionic equations for the conversion of (a)manganate to permanga...

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