Why h2o is water and h2s …
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Ilu Ahirwar 6 years, 7 months ago
In {tex}H_2O{/tex} (water) there is strong hydrogen bonding, and the molecules get extensively associated in an infinite fashion by weak electrostatic forces. So, water exists as a liquid at room temperature with a high boiling point.
Sulphur is less electronegative than oxygen, and the S-H bond is much less polar than the O-H bond. Hence, there is no hydrogen bonding in hydrogen sulphide, and it exists as a gas normally with discrete {tex}H_2S{/tex} molecules.
Only fluorine, oxygen and nitrogen are capable of hydrogen bonding in compounds having the F-H, O-H and N-H bonds respectively.
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