The binding energy per nucleon is maximum for:

Explanation

Iron has the maximum binding energy per nucleon among the options. This is a characteristic of elements around iron on the periodic table. Iron (Fe) is known to have the maximum binding energy per nucleon among the elements, and this characteristic is associated with the stability of iron nuclei. Binding energy per nucleon refers to the energy required to separate a nucleus into its nucleons (protons and neutrons) and is a measure of nuclear stability. The trend in binding energy per nucleon across the periodic table indicates that elements around iron (Fe) have higher binding energy per nucleon.