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Classification of Elements and Periodicity in Properties — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistryClassification of Elements and Periodicity in Properties2 Marks
Question
Out of O and S, which has higher negative electron gain enthalpy and why?
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Answer

'S' has high electron gain enthalpy because in oxygen, there is more inter-electronic repulsion than sulphur, therefore, more energy is released in case of sulphur on gaining electrons.

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