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Energy Levels

The energy re...

Question

The energy required for removal of electron from $3 s, 3 p, 3 d$ subshells of hydrogen atom will lie in following sequence:
$E_{1} = (3 s ⟶ \infty) E_{2} = (3 p ⟶ \infty) E_{3} (3 d ⟶ \infty)$

A

E_{1} > E_{2} > E_{3}

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B

E_{1} < E_{2} < E_{3}

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C

E_{1} = E_{2} = E_{3}

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D

None of these

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Solution

The correct option is C $E_{1} = E_{2} = E_{3}$
For single electron system 3s,3p,3d are degenerate orbitals so they have same energy.
Thus, energy required for removal of electron from 3s,3p,3d subshells of hydrogen is same.

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