Q35 / 180 · AIIMS 2017 · Chemistry

Which of the following electronic configurations has maximum energy?

  • Correct answer
    A
    Figure
  • B
    Figure
  • C
    Figure
  • D
    Figure

Solution

The order of increasing energy of the sub-atomic orbitals is $s < p < d < f$. The energy in excited state is more than that in the ground state. In option (a), two electrons are in excited state therefore, it has maximum energy.

Hence, the correct answer is option: 'A'.

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