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Why is Cr^(2+) reducing and Mn^(3+) oxid...

Why is `Cr^(2+)` reducing and `Mn^(3+)` oxidising when both have `d^4` configuration?

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Write down the electronic configuration of Cr^(3+)

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R G PUBLICATION-THE d-AND f-BLOCK ELEMENTS-EXERCISE
  1. The transition metal compounds are

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  2. How potassium permanganate is prepared? Give necessary chemical equati...

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  3. Why is Cr^(2+) reducing and Mn^(3+) oxidising when both have d^4 confi...

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  4. Actinoid contraction is greater from element to element than lanthanoi...

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  5. What interstitial compounds?

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  6. Answer either: Calculate the number of unpaired elec-trons in the gase...

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  7. How does the acidified permanganate solution react with the following?...

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  8. How does the acidified permanganate solu-tion react with the following...

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  9. What are transition elements? Give the general electronic configuratio...

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  10. What are alloys? Name the metals used for the formation of bronze.

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  11. How would you account for the following? The transition metal compound...

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  12. Explain the following: In the titration of FeSO4 with KMnO4 in acidic ...

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  13. What are transition elements? Give the general electronic configuratio...

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  14. Copper (I) and d^(10) configuration, while copper (II) has d^9 configu...

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  15. Give two uses of potassium permanganate.

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  16. Which has the largest radius?

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  17. Transition metel compounds are generally coloured. Why?

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  18. Which of the transition metal forms green compound in its +3 oxidation...

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  19. In Waker process the catalys used is

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  20. The similar properties of Hf & Zr is due to:

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