Problem: Hydrophilic colloidal particle. Examples of the hydrophilic groups that help to keep a giant molecule (macromolecule) suspended in water.What is the chemical composition of the groups that carry a negative charge?

🤓 Based on our data, we think this question is relevant for Professor Bartoszek Loza's class at OSU.

FREE Expert Solution

We’re being asked to determine the chemical composition the groups that carry the negative charge in the given molecule.


Recall that:

hydrophilic colloids become ionized once they come in contact with water

hydrophobic colloidsare not ionized when placed in water, but they are able to pick up ions from the dispersion medium and become ionized


Looking at the given molecule:

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Problem Details


Hydrophilic polar and charged groups on a molecule’s surface help the molecule remain dispersed in water and other polar solvents. A space-filling model shows a globular particle in which only some of the surface groups are labeled. These groups include NH2, CO, COOH, COO-, and NH3+.


Hydrophilic colloidal particle. Examples of the hydrophilic groups that help to keep a giant molecule (macromolecule) suspended in water.


What is the chemical composition of the groups that carry a negative charge?

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Colloid concept. If you need more Colloid practice, you can also practice Colloid practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Bartoszek Loza's class at OSU.