Why is H2S a gas whereas H2O is a liquid at room temperature?
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Hey friend,
Considering oxygen and sulphur... we infer that oxygen is more polar than sulphur.
That is the reason that Hydrogen-Oxygen bond is stronger as compared to Hydrogen-Sulphur bond.
Now, since the bond is quite weak...the intermolecular attraction is less and less energy is needed to break the molecules apart. Thus, water is at higher boiling and melting point as compared to hydrogen sulphide.
So we find H2S in gaseous state whereas H2O in liquid state!
Hope it helps!
Considering oxygen and sulphur... we infer that oxygen is more polar than sulphur.
That is the reason that Hydrogen-Oxygen bond is stronger as compared to Hydrogen-Sulphur bond.
Now, since the bond is quite weak...the intermolecular attraction is less and less energy is needed to break the molecules apart. Thus, water is at higher boiling and melting point as compared to hydrogen sulphide.
So we find H2S in gaseous state whereas H2O in liquid state!
Hope it helps!
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