electron gain enthalpy of chlorine is more than that of flourine
Asked by krishna015 | 20th Feb, 2011, 09:08: PM
The size of fluorine atom is small. As a result, there are strong electron-electron repulsions in the compact 2p-orbital. Thus, the electron gain enthalpy of fluorine is less negative than that of chlorine.
The p orbital is slightly higher in energy than the s orbital. So, it's easier to remove the 2p1 elecrtron from B, therefore the 1st ionisation energy in B will be lower.
We hope that clarifies your query.
Answered by | 20th Feb, 2011, 09:59: PM
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