Multiple choice! Please help! Metals!
What is the most important type of intermolecular forces between:
a) molecules in a sample of pure water
b) molecule of water and a sodium ion in the water

Circle one of the following for (each) answer:
London Dispersion Forces
Dipole-Dipole Forces
Hydrogen Bonding
Ion-Dipole Forces
Ion-Ion Forces (i.e., ionic bonding)

Question

Multiple choice! Please help! Metals!
What is the most important type of intermolecular forces between:
a) molecules in a sample of pure water
b) molecule of water and a sodium ion in the water

 Circle one of the following for (each) answer: 
 London Dispersion Forces 
 Dipole-Dipole Forces 
 Hydrogen Bonding 
 Ion-Dipole Forces 
 Ion-Ion Forces (i.e., ionic bonding)

anonymous · Answer

In water, there is extensive Hydrogen bonding. Every water molecule has a max of 4 H bonds. This is due to high electronegativity of O. The second case is of ion dipole interaction as water is a dipole and sodium an ion.