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Class XII: Chemistry Chapter 7: The p-Block Elements Top ...
Boiling point: PH 3 < AsH 3 < NH 3 < SbH 3 < BiH 3 Boiling point increases with increase in size due to increase in van der Waals forces. Boiling point of NH 3 is more because of hydrogen bonding. Bond angle: NH 3 (107.8°) > PH 3 (99.5°) > AsH 3 (91.8°) ≈ SbH 3 (91.3°) > BiH 3 (90°) Electronegativity of N is highest. Therefore, the lone ...
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