Questions about nonpolar molecules and saturated solutions.?

Question

Is it true that nonpolar molecules cannot be induced to be polar?

Is it also true that a solution is saturated when the solvent molecules can no longer pull apart the solute molecules?

Answer 1

I do not think that non polar molecules can not be induced to be polar. It may be feasible under certain conditons of types of solvents, the dipole moment of the solvent and relative tendency of participating elements etc. for developing polarity in the molecules.

II: No it is not true, in fact the solubility of organic compounds in carbon tetra chloride or other organic solvents is dut to continous change in entropy of the system,which in turn results in overall negative change in free energy of the system as per th Gibbs-Helmotz equation. The solute will go into solution uptil there is positive change in entropy of the system.
One more concept of Miscibility exists which signifies mixing of two or phases in all proportions without leading to separation of phases. This means that the two compounds can be made miscible upto any ratio without phase separation.

Answer 2

I suppose that without a chemical reaction adding a polar group it is impossible to transform a non polar molecule in a polar one.
To achieve this you should distort the electronic shells of the atoms of the molecule which seems very difficult to achieve

A solution exist as long as the interactions between molecule of solvent molecule of solute is greater than interactions between molecules solvent- solvent or solute -solute .this means what you write in an other form