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why H 2 O has a moleculer weight has 18g is a liquid than H 2 S of moleculer weight of 36g is a gas?

why H2O has a moleculer weight has 18g is a liquid than H2S of moleculer weight of 36g is a gas?
 

Grade:11

1 Answers

Vikas TU
14149 Points
7 years ago
Sulphur is less electronegative than oxygen.
Now this the important point.
Thus, Oxygen has tendency to make H- Bonding and therefore is polar in nature.
And H2S whereas shows no H-Bonding.

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