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Chemistry Level 2

Which compound has highest boiling point?

H X 2 O \ce{H2O} H I \ce{HI} H F \ce{HF} H C l \ce{HCl}

Anik Mandal by Anik Mandal , 21, India

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2 solutions

Gagan Deep
Mar 30, 2016

H2o has higher bpt due to it has tendency to form intermolecular hydrogen bonding

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HF also forms H-bonding..And even it's intermolecular H-bonding is stronger.Then why H 2 O H_{2}O has higher B.P?

Anik Mandal - 5 years, 2 months ago

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Because there are 2 hydrogen atoms in h2o which can form h bonding more strongly as compare to hf

Gagan Deep - 5 years, 2 months ago

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It's actually because oxygen has more mass than fluorine.

Jack Brown - 5 years, 2 months ago

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@Jack Brown – Only reason is that water can form more hydrogen bonds as having equal number of hydrogen bond donors and acceptors.I think more mass reason is not valid

vats nathwani - 5 years, 2 months ago

You are lier

Arun Garg - 5 years, 2 months ago
Aditya Oke
Apr 3, 2016

H2o does not ionise easily as others hence it will have strong covalent bonds. The overall bond strength is high hence it will require more kinetic energy supplied by the heat of boiling. Others are bronsted lowry acids which accept protons. They will boil easily since their molecules are less stable. :)

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