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Explain :Transition elements exhibit var...

Explain :Transition elements exhibit variable oxidation states.

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Transition elements exhibit a large number of oxidation states.Explain.

Name a transition element which does not exhibit variable oxidation states.

Give reasons: Transition metals show variable oxidation states.

Which of the following transition element exhibit the oxidation state of +8?

Why do transition elements show variable oxidation states ? Name the element showing maximum number of oxidation states among the first series of transition metals from Sc (Z = 21) to Zn (Z= 30).

Most of transition metals show variable oxidation states. Explain

JMD PUBLICATION-d-And f-BLOCK ELEMENTS-Example
  1. Transition metals form mostly coloured compounds.Explain.

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  2. Most of the compounds of transition elements are paramagnetic in natur...

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  3. Explain :Transition elements exhibit variable oxidation states.

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  4. Explain why Cu(I) is diamagnetic while Cu(II) is paramagnetic.

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  5. Why are halogens coloured ?

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  6. Sc^(3+) ion is colourless while Cr^(3+) Ion is coloured. Explain.

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  7. Transition metals form alloys with other transition metals. Explain.

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  8. Transition elements and their compounds are found to be good catalysts...

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  9. Transition metals formlarge number of complex compounds.Explain.

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  10. Why is the highest oxidation state of a metal exhibited in its oxide...

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

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  12. Why are Min^(2+) compounds more stable than Fe^(2+) towards oxidation ...

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  13. What is meant by ‘disproportionation' of an oxidation state ? Give a...

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  14. Why Zn, Cd, Hg are soft and have low m.pt.

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  15. The d^1 configuration is very unstable in transition metal ions. Exp...

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  16. Which does not belong to first transition series?

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  17. In Alkaline solution we have chromates and in acidic solution, dichrom...

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  18. Write a short note on chromyl chloride test.

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  19. Explain the structure of chromate and dichromate ions.

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  20. Write reactions of K2Cr2O7, in acidic medium with Kl

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