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Most Important Selected Qs for JEE AdvancedChemistryClassification of Elements and Periodicity in Properties

The incorrect order of ionization energy is (when IE ₁=1^ st ionisation energy, IE ₂=2^ nd ionization energy and IE ₃ is third ionisation energy)

Options

  1. AN C O F ( IE ₃ )
  2. BSi P S Cl ( IE ₂ )
  3. CSi P C N ( IE ₂ )
  4. DS O Cl F ( IE ₁ )

Correct answer

D. S O Cl F ( IE ₁ )

Step-by-step solution

S Cl O F (Order of 1^ st ionization energy)

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