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- Home
- Engineering
- Which of the following hydride has the lowest boiling point?Option: 1 NH3Option: 2
- #Chemistry
- #Class 11
- #BITSAT
- #Chemical Bonding and molecular structure
- #Telangana Engineering Agriculture and Medical Common Entrance Test
- #Engineering
Which of the following hydride has the lowest boiling point?
Option: 1
NH3
Option: 2
PH3
Option: 3
SbH3
Option: 4
AsH3
Answers (1)
From PH3 to BiH3? the boiling points increase with the increase in molecular weights, due to the increase in Van der Waal's forces with molecular mass. However, the boiling point of NH3 ?> PH3 ?even though NH3? has a lower molecular mass than PH3?, due to the intermolecular hydrogen bonding in Ammonia that is not present in PH3? and other hydrides in Group-15.
Therefore, Option(2) is correct
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