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In permanganate ion, there is a covalenc...

In permanganate ion, there is a covalency between Mn and oxygen. How will you explain this.

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In `MnO_(4)^(-)` ion, Mn is in its highest oxidation state of +7. Transition metals are capable of forming covalent bonds in their higher oxidation states. (This is supported by Fajan's rule, according to which high +ve charge on the metal ion favours covalent bonding.)
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CHHAYA PUBLICATION-D - AND F - BLOCK ELEMENTS -QUESTION - ANSWER ZONE FOR BOARD EXAMINATION (SHORT ANSWER TYPE)
  1. In the quantitative volumetric analysis, why is K(2)Cr(2)O(7) preferre...

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  2. Name the product formed on heating potassium permanganate. Write the b...

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  3. Write the trends : Melting points of the transition elements in each s...

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  4. Write the trends : The atomic radius of the inner transition elements ...

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  5. What happens when KMnO(4) reacts with conc. HCl ?

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  6. What happens when hydrogen sulphide is added to acidified potassium di...

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  7. Explain why transition elements have many irregularities in their elec...

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  8. Explain why iron is a transition metal but sodium is not.

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  9. Chromium is a typical hard metal, while mercury is a liquid, Explain.

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  10. The melting and boiling points of Zn, Cd and Hg are low. How will you ...

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  11. Why are the ionisation energies of 5d-metals greater than those of 3d-...

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  12. Explain why the paramagnetic character of the elements of first transi...

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  13. The 4d and 5d-series of transition metals have more frequent metal-met...

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  14. Explain why iron has higher melting point than copper.

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  15. In permanganate ion, there is a covalency between Mn and oxygen. How w...

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  16. Explain why electronic configurations of lanthanoids are not known wit...

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  17. The electronic configurations of actinides are not known with certaint...

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  18. The largest number of oxidation states are exhibited by the elements l...

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  19. Unlike Cr^(3+), Mn^(2+), Fe^(3+) and the subsequent M^(3+) ions of 3d ...

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  20. Cobalt(II) is stable in aqueous solution but in the presence of comple...

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