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Question
Which of the following element having electron affinity greater than S?
Which of the following element having electron affinity greater than S?
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Solution
The correct option is D None of these
The electron affinity is a measure of the attraction between the incoming electron and the nucleus. Generally, E. A decreases down a group and generally increases across a period in the periodic table.It is applicable to all p−block element groups. but oxygen has lesser electron affinity than that of sulphur because oxygen is smaller in atomic sizes. As a result, there is considerable electron-electron repulsion with the atom itself and hence, the additional electron is not accepted with the same case as compared to the remaining elements in the same group.
Thus, option D is the correct answer.
The electron affinity is a measure of the attraction between the incoming electron and the nucleus. Generally, E. A decreases down a group and generally increases across a period in the periodic table.
It is applicable to all p−block element groups. but oxygen has lesser electron affinity than that of sulphur because oxygen is smaller in atomic sizes. As a result, there is considerable electron-electron repulsion with the atom itself and hence, the additional electron is not accepted with the same case as compared to the remaining elements in the same group.
Thus, option D is the correct answer.
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