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Give reason- 1.electron gain enthalpy of …

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Give reason- 1.electron gain enthalpy of florine is less negative than that of chlorine. 2.anionic radius is always more than that of neutral atom. 3.halogen acts as good oxidising agent. 4.oxygen has lesser first ionization enthalpy than nitrogen. 5. Sodium and magnisium have same no. Of electron but removal of electron from magnisium require more energy.

Posted by Piyush Kumar 8 years, 1 month ago

CBSE > Class 11 > Chemistry

2 answers

Alok Sharma 8 years, 1 month ago

4. Because nitrogen is half filled therefore more energy is required to remove an electron. N= 1s^2 2s^ 2p^3

Alok Sharma 8 years, 1 month ago

1.size of fluorine is exceptionally small.2 anion involve accepting electron which leads to increase in size

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