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Write the electronic configurations of F...

Write the electronic configurations of `Fe^(2+)` and `Fe^(3+)`. which of the two has larger paramagnetic character ? Atomic number of Fe is 26.

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
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  4. Explain :Transition elements exhibit variable oxidation states.

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

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

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

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  9. Transition metals form mostly coloured compounds.Explain.

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

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

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

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

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

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

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  16. Why is Copper considered as transition metal ?

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

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

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

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

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