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Fluorine is more electronegative than ox...

Fluorine is more electronegative than oxygen. Yet the highest oxidation state of a metal is found to be more stable in its oxides than in its fluorides.

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Fluorine can only form a `sigma` bond with metal atom, whereas oxygen can form both `sigma` as well as `pi` bonds. Hence, as its highest oxidation state, oxygen provides more stability to the metal than fluorine.
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CHHAYA PUBLICATION-D - AND F - BLOCK ELEMENTS -HIGHER ORDER THINKING SKILL (HOTS) QUESTIONS
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  9. Which element has the lowest atomisation energy in 3d - series ? Expla...

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  10. Stability of Fe^(3+) ion is greater than Mn^(3+) ion but less than Cr^...

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  11. Fe has a much lower tendency to get oxidised than Mn and Cr - explain....

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  12. Scandium is considered to be a transition element though it does not f...

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  13. Why do the transition elements of the 5d - series have much higher ion...

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  14. Fluorine is more electronegative than oxygen. Yet the highest oxidatio...

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  15. It is difficult to find lanthanides in their purest form. Explain.

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  16. The transition metal ions form complexes with water, but does not reac...

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  17. The standard reduction potential of four elements A, B, C & D are - 0....

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