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which of the following has lowest boiling point ? Why ? NH3 PH3 AsH3 SbH3

which of the following has lowest boiling point ? Why ?
NH3   PH3     AsH3    SbH3     

Grade:11

2 Answers

Umakant biswal
5359 Points
4 years ago
dear omkar
NH3 will have the highest boiling point because NH3 molecules can form hydrogen bonds with each other. The other molecules will increase in boiling point with size. So, in order of decreasing boiling point:
NH3 > SbH3 > AsH3 > PH3
HOPE IT CLEARS 
REGARDS 

 
Divyansh Joshi
20 Points
4 years ago
The correct order of Boiling points is BiH3 > SbH3 > NH3 > AsH3 > PH3BiH3 290KSbH3 254.6KNH3 238.5KAsH3 210.6KPH3 185.5K

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