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Give reasons for the following : Fluor...

Give reasons for the following :
Fluorine has lower electron gain enthalpy than chlorine.

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In fluorine, there is more interelectronic repulsion between valence electron due to exceptionally small size than chlorine, therefore, it has less electron-affinity.
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CENGAGE CHEMISTRY ENGLISH-APPENDIX - INORGANIC VOLUME 1-Exercise very short
  1. Generally electron gain enthalpy on going down a group, and on going...

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  2. Why is the second electron gain enthalpy negative (i.e. energy is abs...

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  3. Give reasons for the following : Fluorine has lower electron gain en...

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  4. Isoelectronic species have the same number of .

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  5. Lanthanides and actinides belong to block of the periodic table.

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  6. Generally, the atomic size along a period gradually decreases due to i...

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  7. The formula for fluoride of carbon is .

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  8. The solubility of alkali metal carbonateas one goes down the group.

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  9. The electronic configuration of Re^(3+) is (Xe)4f^(14)5d^(4), the numb...

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  10. Lather Meyer drew a graph showing the relation between atomic "" and ...

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  11. Second period ends with .

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  12. The first transition series is called transition series.

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  13. Alkali metals have low ionisation energy. Why is it so?

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  14. Why lanthanides and actinides have been placed separately in the perio...

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  15. Why does the solubility of alkaline earth metal hydroxides in water in...

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  16. Explain : Cation has smaller size than neutral atom. ……………………………...

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  17. Explain : Anion has larger size than neutral atom. ……………………………………...

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  18. Which of the following species will have the largest and the smallest ...

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  19. Which has the largest ionic radius Ca^(2+),Mg^(2+),Ba^(2+)?

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  20. Define various types of atomic radii. Why is covalent radius smaller t...

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