When a protein is denatured using acids, the intermolecular interaction that is primarily disrupted is the hydrogen bonds.
Here's why:
1. Proteins have a complex structure that is stabilized by various types of intermolecular interactions, including hydrogen bonds, disulfide bonds, hydrophobic interactions, and salt bridges.
2. Hydrogen bonds play a crucial role in maintaining the secondary and tertiary structure of proteins. When an acid is introduced, it can disrupt these hydrogen bonds by altering the pH of the environment, leading to the denaturation of the protein.
3. Disulfide bonds are covalent bonds that are not easily disrupted by acids unless strong reducing agents are used. Hydrophobic interactions and salt bridges also contribute to protein stability but are generally not as affected by acids as hydrogen bonds.
In summary, when a protein is denatured using acids, the primary intermolecular interaction that is disrupted is the hydrogen bonds, leading to the unfolding and loss of the protein's functional structure.