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Which one of the following does not exis...

Which one of the following does not exist?

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Correct option is (ii), `NeF_2` does not exist as the sum of first and second ionisation enthalpies of `Ne` are much higher than `Xe`. As a result `F_2` cannot oxidise `Ne`. On the other hand `XeF_4`,`XeF_6`,`XeOF_4` do exist.
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CENGAGE CHEMISTRY ENGLISH-APPENDIX INORGANIC VOLUME 2-Exercises
  1. How are XeO(3) and XeOF(4) prepared?

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  2. Arrange the following in the order of property indicated for each set:

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  3. Which one of the following does not exist?

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  4. Give the formula and describe the structure of a noble gas which is is...

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  5. Why do noble gases have comparatively large atomic sizes?

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  6. List the uses of neon and argon gases.

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  7. Write down the electronic configuration of: ltBrgt (i) Cr^(3+) (ii)...

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  8. Why are Mn^(2+) compounds more stable than Fe^(2+) towards oxidation t...

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  9. Explain briefly how +2 state becomes more and more stable in the first...

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

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  11. What may be the stable oxidation state of the transition element with ...

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  12. Name the oxometal anions of the first series of the transition metals ...

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  13. What is lanthanoid contraction ? What are the consequences of lanthano...

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  14. What are the characteristics of the transition elements and why are th...

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  15. In what way is the electronic configuration of the transition elements...

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  16. What are different oxidation states exhibit by lanthanoids?

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  17. Explain giving reasons: (i) Transition metals and many of their compou...

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  18. What are interstitial compounds? Why are such compounds well known for...

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  19. How is the variability in oxidation states of transition metals differ...

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  20. Describe the preparation of potassium dichromate from iron chromite or...

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