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March 27, 2015

Homework Help: Chemistry(Please check)

Posted by Hannah on Saturday, January 28, 2012 at 11:41pm.

1) For a series of small molecules of comparable molecular mass, which of the following choices lists the intermolecular forces in the correct increasing order?

a) dipole-dipole forces < London forces < hydrogen bonds
b) hydrogen bonds < dipole-dipole forces < London forces
c) dipole-dipole forces < hydrogen bonds < London forces
d) London forces < dipole-dipole forces < hydrogen bonds
e) hydrogen bonds < London forces < dipole-dipole forces

I chose answer A because dipole-dipole forces are weaker than london forces and london forces are weaker than hydrogen bonds.

Is this correct?

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