TS EAMCET · Chemistry · Structure of Atom
Assertion (A) Atoms with completely filled and half-filled subshells are stable. Reason (R) Completely filled and half-filled subshells have symmetrical distribution of electrons and have maximum exchange energy. The correct answer is
- A (A) and (R) are correct, (R) is the correct explanation of (A)
- B (A) and (R) are correct, (R) is not the correct explanation of \((\mathrm{A})\)
- C (A) is correct, but (R) is not correct
- D (A) is not correct, but (R) is correct
Answer & Solution
Correct Answer
(A) (A) and (R) are correct, (R) is the correct explanation of (A)
Step-by-step Solution
Detailed explanation
The extra stability of half-filled and fully filled electronic configuration can be explained in terms of symmetry and exchange energy. All the orbitals of the same subshell are either completely filled or half-filled have more symmetrical distribution of electrons.…
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