IMF types
The weakest IMF
LDF (London Dispersion Forces)
As IMF increases, what happens to the solubility of molecules
Solubility increases
The ability to dissolve in a solvent
Solubility
Identify the forces in C2H2
LDF
The bond length shows ___
The IMF that involves Hydrogen and three very electronegative atoms
H-Bonding
What is viscosity?
The resistance for a liquid to flow
The ability of a surface to resist external forces; increases as IMF increases
Surface Tension
What forces are in SO2
Dipole-Dipole Forces
Strongest type of IMF?
Ion-Dipole
What is the IMF that involves a very negative end and a very positive end that are attracted to each other
Dipole-Dipole Forces
Which has a stronger IMF? CH2Cl2 or CCl4
CCl4 (strong LDF wins over weak dipole-dipole)
The resistance of a liquid to flow; increases as IMF increases
Viscosity
What forces are in CH3OH
Dipole-Dipole Forces and H-Bonding
Gas
Force between a fully charged ion and a polar molecule
Ion-Dipole
Which of the following would have the higher boiling point? HF, C9H18, CH4
HF
The energy required to convert liquid to gas; increases as IMF increases
Boiling point
What forces are present in C3H8
LDF
LDF have _____ types of bonds
temporary dipole-dipole
Temporary dipole-dipole forces
LDF (London Dispersion Forces)
Which of the following would have a higher vapor pressure? Cl2, CH4, Hg
The pressure exerted by gas molecules at equilibrium in a closed container with it's liquid; decreases as IMF increases
Vapor pressure
What forces are present in NaCl in H2O
Ion-Dipole forces
In dipole-dipole bonding, the outside charges are ___
negative and positive