Home Chemistry NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 11 PCB Which of the following statements about mass…
Chemistry NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 11 PCB Single Correct MCQ
Published on: August 13, 2026

Which of the following statements about mass defect and nuclear binding energy is incorrect?

A
Mass defect is the difference between the sum of the masses of individual nucleons and the actual mass of the nucleus.
B
The energy equivalent of the mass defect is known as the nuclear binding energy.
C
A larger mass defect always implies a less stable nucleus.
D
Nuclear binding energy represents the energy required to break a nucleus into its constituent protons and neutrons.

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Verified by Experts
The correct answer is:
C

A larger mass defect implies a more stable nucleus, not a less stable one. A larger mass defect means more mass has been converted into energy, which is released during the formation of the nucleus, resulting in a more tightly bound and thus more stable nucleus. This energy is the nuclear binding energy.

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