A) is not important because nuclear forces are short-ranged.
B) is as important as electrostatic force for binding the two atoms.
C) cancels the repulsive electrostatic force between the nuclei.
D) is not important because oxygen nucleus have equal number of neutrons and protons.
Correct Answer: A
Solution :
| Option [a] is correct. |
| Explanation: As we know that the nuclear forces is too much stronger. Only attractive force as compared to electrostatic repulsive force and nuclear force decreases to zero on increasing distance. |
| So in case of oxygen molecule, the distance between atoms of oxygen is larger as compared to the distances between nucleons in a nucleus. So that, the force between the nuclei of two oxygen atoms is not important as nuclear forces are short-ranged forces. |
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