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99 Percentile Qs Bank for JEE MainChemistryStructure of Atom

Study the orbital diagrams of two atoms 'X' and 'Y'. Which subshell will be more stable and why?

Options

  1. AX, exchange energy is maximum, so is stability
  2. BY, exchange energy is maximum, so is stability
  3. CX, exchange energy is minimum, so stability is maximum
  4. DY, exchange energy is minimum, so stability is maximum

Correct answer

A. X, exchange energy is maximum, so is stability

Step-by-step solution

In 'X' one electron can exchange energy with 5 orbitals while in 'Y' energy exchange is between 3 orbitals hence half-filled orbitals are more stable.

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