Water (H20) has hydrogen bonding and London forces. Hydrogen sulfide (H2S) has only London forces. The reason why water has hydrogen bonding and hydrogen sulfide does not is because the oxygen in water is more electronegative than the sulfur in hydrogen sulfide. Hydrogen bonding only occurs between molecules that have hydrogen bonded to a very electronegative atom, which is either oxygen, fluorine, or nitrogen.
Think about it: a hydrogen bond is a intermolecular attraction between the hydrogen of one atom and the lone pair of electrons of another atom. In order for the bond to exist the lone pair of electrons must belong to a electronegative atom, so there will be a great tendency for attraction.
H2O is very strongly hydrogen bonded. These bonds require energy to break resulting in a higher boiling point.
Hydrogen bonding
Both H2O and HF possess H bonds as their intermolecular force but H bonds of HF are stronger than that of H2o. therefore boiling point of than that of H2O. But experimental boiling point is high in H2O than that of Hf
Oxygen has a stronger bond to H than S does, therefore it requires more energy to break the H-O bond = oxygen having the higher boiling point
Water has a higher boiling point than hydrogen selenide, because the strong hydrogen bonding of water gives it a higher "effective" molecular weight than hydrogen selenide, the unit that must be vaporized on boiling consisting on average of several water molecules rather than only one. The selenide, in contrast, forms only weak hydrogen bonds; therefore, its average "effective" molecular weight in essentially that of a single molecule.
Boiling point of ethanal CH3CHO is 20.2 °C (293.3 K)Boiling point of water H2O is 100 oC (373.1 K)
Hydrogen bonding
Because of hydrogen bonding. Oxygen, nitrogen, and fluorine have a high boiling point.
H2O (water) has a higher melting point and boiling point than CO2 because of the hydrogen bonds that exist between the water molecules. The hydrogen bonds are strong intermolecular forces (though they are classified as a weak bond), and help to hold separate water molecules together. Thus, the boiling point of water is higher than carbon dioxide, though they are similar in composition and mass.
Both H2O and HF possess H bonds as their intermolecular force but H bonds of HF are stronger than that of H2o. therefore boiling point of than that of H2O. But experimental boiling point is high in H2O than that of Hf
Oxygen has a stronger bond to H than S does, therefore it requires more energy to break the H-O bond = oxygen having the higher boiling point
Water has a higher boiling point than hydrogen selenide, because the strong hydrogen bonding of water gives it a higher "effective" molecular weight than hydrogen selenide, the unit that must be vaporized on boiling consisting on average of several water molecules rather than only one. The selenide, in contrast, forms only weak hydrogen bonds; therefore, its average "effective" molecular weight in essentially that of a single molecule.
Boiling point of ethanal CH3CHO is 20.2 °C (293.3 K)Boiling point of water H2O is 100 oC (373.1 K)
different substances have different boiling points, a main reference to boiling points is the boiling point of water (H2O) which is 100 degrees Celsius
NH3 is more polar than AsH3, this is the same as comparing H2O and H2S.
The boiling point of water is 100 degrees C
it depends on the sufficent amount of h2o
I am not sure but may be it is because none of the substances have a fixed boiling point. The substance starts changing its state from liquid to gas before the mentioned boiling point . For example Boiling point of H2O is 100.but it change it changes its state before it.Therefore there are boiling range not boiling point.