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JEE CHEMISTRY MCQ: STATES OF MATTER

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Understanding +4 | -1
Amongst NH3,PH3,AsH3N{H_3},P{H_3},As{H_3} and SbH3Sb{H_3} the one with highest B.P is
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Correct option: B
SbH3Sb{H_3} because of higher molecular weight
Option B (SbH3Sb{H_3} because of higher molecular weight) is correct because, among the given options, SbH3SbH_3 has the highest molecular weight, leading to stronger van der Waals forces and thus a higher boiling point.

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