1. This dark green powder is slightly soluble in polar solvents , including water. 2. COC and COP are generally attacked by non-polar solvents , such as toluene. 3. The hydrogen bonding, ion-dipole, and dipole-dipole interactions occur only in polar solvents . 4. Polar solutes dissolve in polar solvents , forming polar bonds or hydrogen bonds. 5. In solutions of polar solvents , PCl 5 undergoes " autoionization ". 6. Retention decreases as the amount of polar solvent in the mobile phase increases. 7. It is readily miscible in most non-polar solvents , methanol, and cold acetic acid. 8. On the other hand, non-polar solutes dissolve better in non-polar solvents . 9. Ceric nitrate is quite soluble in non polar solvents such as ethyl ether. 10. Chloroform ), and works effectively for separating analytes readily soluble in non-polar solvents .