Question

Although the size of sulphur is smaller than phosphorous but first ionisation enthalpy
of phosphorous is more than sulphur. Why?
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Answer 1

Answer:

Phosphorus has more ionisation than sulphur because Phosphorus has half filled P sub shell in its valence shells that gives extra ability and hence more energy is required to remove electrons please follow me

Answer 2

koi ni rhende krna bhi mt