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CBSE Class 12-science Answered

why boiling point of antimony is greater than arsenic even after the inert pair effect reduce the interatomic attraction and hence eventually reduce the boiling point of antimony, but this doesn't happen?why?

Asked by skumkum976 | 08 May, 2021, 03:49: PM
Expert Answer
Boiling point increases with size but there is another effect that came into existence as we move down to group. The effect is inert pair effect, it states that as we move down the group the participation of s orbital decreasees. Inert pair effect is weaker from nitrogen till arsenic, and it becomes highest in Bismath. 
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