Give reason First ionization energy of phosphorous is higher than that of sulfur although it should be opposite according to the general trend.
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heya ❤️
Explanation:
In sulfur, two of the 3p electrons are paired. There is some repulsion between paired electrons in the same sub-shell, so the force of their attraction to the nucleus is reduced. This means that less energy is needed to remove one of these paired electrons than is needed to remove an unpaired electron from phosphorus.
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