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Total number of 3d-series transition ele...

Total number of 3d-series transition elements contain either `3d^(1)` or `4s^(1)` orbital in their ground state electric configuration.

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The transition element ( with few exceptions ) show a large number of oxidation states . The various oxidation states are related to the electronic configuration of their atoms. The variable oxidation states of a transition metal is due to the involvement of (n-1)d and outer ns electrons . For the first five elements of 3d transition series , the minimum oxidation state is equal to the number of electrons in 4s shell and the maximum oxidation state is equal to the sum of 4s and 3d electrons. The relative stability of various oxidation states of a given element can be explained on the basis of stability of d^(0),d^(5) and d^(10) configuration . In 3d series, the maximum oxidation state is shown by

NARAYNA-D BLOCK & TRANSITION ELEMENTS-Level-VI (H.W)
  1. The E^(0) values are Zn^(2+)//Zn:-0.76V,Fe^(2+)//Fe:-0.44V, Ni^(2...

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  2. The E^(0) values are Zn^(2+)//Zn:-0.76V,Fe^(2+)//Fe:-0.44V, Ni^(2...

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  3. The transition metals and their compounds have paramagnetic properties...

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  4. The transition metals and their compounds have paramagnetic properties...

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  5. The transition metals and their compounds have paramagnetic properties...

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  6. The (n-1)d shell of electron in d-block elements is expanding and, the...

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  7. The (n-1)d shell of electron in d-block elements is expanding and, the...

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  8. Paramagnetism is a property due to the presence of unpaired electrons....

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  9. Paramagnetism is a property due to the presence of unpaired electrons....

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  10. Paramagnetism is a property due to the presence of unpaired electrons....

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  11. Match the following

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  12. Match the following

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  13. S(1) : Mn^(2+) compounds more stable than Fe^(2+) towards oxidation to...

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  14. In how many of the following, the second element has a higher density ...

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  15. The number of transition metals in bronze is x, in brass is y and inGe...

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  16. Total number of 3d-series transition elements contain either 3d^(1) or...

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  17. How many of the following show variable oxidation states in their comp...

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  18. Magnetic moment value for a d-block ion is 4.90 BM determine value of ...

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  19. How many of the following ions have spin mangnetic moment more than 4...

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  20. How many of the following compounds are diamagnetic and coloured? K(...

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