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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

MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Why Zr and Hf exhibit similar properties ?

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  2. Write the electronic configurations of Fe^(2+) and Fe^(3+). which of t...

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  3. Explain :Transition elements exhibit variable oxidation states.

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  4. What are the main consequences of lanthanoid contraction ?

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  5. Complete the following chemical equation : KMnO4 overset (513K) rarr

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  6. Complete the following chemical equation : MnO2+ KOH + O2 rarr

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  7. Does actinoids show actinoid contraction similar to lanthanoid contrac...

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  8. Transition metals form mostly coloured compounds.Explain.

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  9. Complete the following chemical equation : MnO4^(-)(aq) + H2O2(aq)+ H^...

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  10. Give the preparation of Potassium Permanganate from Pyrolusite ore.

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  11. Explain how the colour of a solution of K2Cr2O7 depends on the pH of t...

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  12. Explain, giving reasons, which one of the following pairs exhibits the...

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  13. Explain, giving reasons, which one of the following pairs exhibits the...

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  14. Write chemical reaction for preparation of K2Cr207 from chromite ore.

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  15. Why is Copper considered as transition metal ?

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  16. Calculate the number of unpaired electrons in the following gaseous io...

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  17. State what happens when a solid mixture of KCl and K2Cr2O7 is heated w...

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  18. To what extent do the electronic configurations decide the stability o...

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

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  20. Write the name of metal which shows only +3 oxidation state.

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