How would you account for the following ? The electron gain enthalpy – InterviewSolution

1.	How would you account for the following ? The electron gain enthalpy with negative sign is less for oxygen than that of sulphur.
Answer» Solution :(i) The electron gainenthalpy for oxygen is less negative because of its small size due to which the electron repulsionsin the RELATIVELY small 2p-subshell are COMPARATIVELY large. (ii) Hence the incoming ELETRONS are not accepted with the same ease as in case of SULPHUR as it has relatively large size.

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