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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

  1. A (A) and (R) are correct, (R) is the correct explanation of (A)
  2. B (A) and (R) are correct, (R) is not the correct explanation of \((\mathrm{A})\)
  3. C (A) is correct, but (R) is not correct
  4. D (A) is not correct, but (R) is correct
Verified Solution

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.…