Question

explain why hydrogen atom as low boiling point​

Answer 1

Answer:

The boiling point of H 2 O is high (373 K) due to intermolecular hydrogen bonding and hence it exist as liquid at room temperature, whereas H-bonds are absent in H 2 S and hence it has low boiling point and exists as a gas at room temperature. Note: Though sulfur is an electronegative element, it cannot form hydrogen bonds due to larger size.

Explanation:

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Answer 2

Answer:

H-bonds are a special case of an electrostatic interaction involving a hydrogen atom that is bonded to a very electronegative atom (typically oxygen or fluorine) and an electronegative atom that has lone pairs of electrons. ... Because there are fewer H-bonds to break, they have lower boiling points.