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12th May 2016, 04:07 PM
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Join Date: Aug 2012
Re: Intermolecular forces in HCL

Hey as The Cl end of HCl has a permanent slight negative charge. the "H" in one molecule is attracted to the "Cl" in a neighbor.

Intermolecular forces
The intermolecular force is weak compared to a covalent bond. But this dipole-dipole interaction is one of the stronger intermolecular attractions.

Hydrogen bonding

Hydrogen bonding is a unique type of intermolecular molecular attraction. There are two requirements.
First, there must be a covalent bond between a H atom and either F, O, or N. (These are the three most electronegative elements.)

Second, the H atom in the polar bond -O-H, -N-H, F-H inteact with a lone pair of electrons on a nearby atom of F, O, or N in another molecule or for BIG molecules in another part of the molecule.
Covalent Bond

A covalent bond between -O-H ---- :O-

A covalent bond between -N-H----- :O-

A covalent bond between F-H ------ :O-

A covalent bond between -O-H ---- :N-

A covalent bond between -N-H---- :N-

A covalent bond between F-H ----- :N-

A covalent bond between -O-H ----- :F-

A covalent bond between -N-H ---- :F-

A covalent bond between F-H ------ :F-


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