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Electron gain enthalpy of fluorine is le...

Electron gain enthalpy of fluorine is less than that of chlorine - explain.

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Fluorine atom is small in size and suffers with interelectronic repulsions between seven valence electrons. The added electron experiences much repulsion on smaller F. Hence its electron gain enthalpy is less.
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Electron gain enthalpy values

(A) Electron gain enthalpy of fluorine is less than chlorine but fluorine is a strong oxidising agent than chlorine (R ) Fluorine has low enthalpy of dissociation and fluoride has high hydration enthalpy

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Electron affinity of chlorine is more than that of fluorine - explain.

(A): Electron affinity of fluorine is lower than that of chlorine (R): Fluorine has small and compact size and stronger inter electron repulsion than chlorine.

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Although electron gain enthalpy of fluorine is less negative as compared to chlorine , fluorine is a stronger oxidizing agent than chlorine this is due to

AAKASH SERIES-VIIA GROUP ELEMENTS -PRACTICE EXERCISE
  1. Electron gain enthalpy of fluorine is less than that of chlorine - exp...

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  2. Fluorine does not exhibit positive oxidation states because

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  3. When I2 is passed through KCI, KF and KBr solutions

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  4. Oxidation of thiosulphate with iodine gives

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  5. The order of acidic character of hydrogen halides is

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  6. Which of the following can be prepared only by electrolysis

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  7. The Ionic radius of Br^(-1) is 1.96A^@ and the Ionic radius of I^(-1) ...

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  8. The isoelectronic pair is

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  9. The halogen having Greenish - yellow gas reacts with hot and concentra...

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  10. {:("List I", "List II"),((A) H2 + F2, (1) "Slow in dark but fast in su...

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  11. Which of the following has highest hydration energy ?

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  12. The SRP for the different halogens is in the order of

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  13. Which of the following shows variation of electron gain enthalpy value...

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  14. The purpose of addition of KF to HF in the preparation of Fluorine by ...

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  15. The bond not present in KHF2 is

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  16. The F2 liberated at the anode in the whytlaw Gray method is passed thr...

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  17. H2S + 4F2 to 2HF + B The shape of molecule of compound B is

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  18. NH3 + 3F2 to A+ 3HF The correct statement regarding A is

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  19. 4HCI + A to MnCl2 + Cl2 uarr + 2H2O, In this reaction the change in ox...

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  20. Bond angles in Cl2 O and ClO2, are

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  21. In the reaction of Cl2 with Na2 SO3, chlorine acts as

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