Between hydrogen bond and covalent bond which is stronger?

Answer 1

Covalent bonds are generally considered stronger than hydrogen bonds. This is because covalent bonds involve the sharing of electrons between atoms, resulting in a strong bond that holds the atoms together. In contrast, hydrogen bonds are a type of weaker intermolecular attraction that occurs between molecules and involves the attraction between a hydrogen atom on one molecule and a highly electronegative atom (such as nitrogen, oxygen or fluorine) on another molecule. Even though hydrogen bonds are not as strong as covalent bonds, they are still important for many biological processes, such as DNA replication and protein folding.