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Chemistry · Structure of atom

हिन्दी

Given below are two statements:\n Statement I: The energy of an orbital in a multi-electron atom depends on both principal quantum number \( n \) and azimuthal quantum number \( l \).\n Statement II: In a hydrogen atom, the 3s, 3p, and 3d orbitals all possess different energies. \nIn the light of the above statements, choose the most appropriate answer from the options given below:

  1. Both Statement I and Statement II are correct.
  2. Both Statement I and Statement II are incorrect.
  3. Statement I is correct but Statement II is incorrect.
  4. Statement I is incorrect but Statement II is correct.

Correct answer · Option 3

Statement I is correct but Statement II is incorrect.

Explanation

Statement I is correct. Statement II is incorrect because in hydrogen atom, orbitals with the same principal quantum number \( n = 3 \) (3s, 3p, 3d) have the same energy.
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