Question

to find out more about what types of molecules dissolve in water, lets look at isopropyl alcohol, which is sometimes called rubbing alcohol. chances are that youve used isopropyl alcohol before. isopropyl alcohol has a unique structure. what can you observe from its electrostatic potential map below? which of the following is true of a molecule of isopropyl alcohol? check all that apply. it has no full positive or negative charge. it is an ion. it has a region of partial positive charge. it has a region of partial negative charge. it is a nonpolar molecule. it is a polar molecule. it is a dipole.

Explanation:

• Isopropyl alcohol (\(C_3H_8O\)) is a neutral molecule, so it has no full positive or negative charge.
• An ion has a full positive or negative charge. Since isopropyl alcohol is neutral, it is not an ion.
• In the electrostatic potential map, different colors represent different charge regions. The presence of red (partial negative) and blue (partial positive) regions indicates that there are regions of partial positive and partial negative charges.
• A non - polar molecule has no significant separation of charge. But isopropyl alcohol has a \(O - H\) bond (highly polar) and other \(C - H\) and \(C - O\) bonds. The overall molecule is polar.
• A polar molecule has a separation of charge (partial positive and partial negative regions), which is the case for isopropyl alcohol.
• A dipole is a polar molecule with a separation of charge (a positive and a negative end, or in this case, regions), so isopropyl alcohol is a dipole.

Answer:

It has no full positive or negative charge.
It has a region of partial positive charge.
It has a region of partial negative charge.
It is a polar molecule.
It is a dipole.