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Periodic Table and Periodicity question

2025 · 2 Apr · Shift 2 · Q3
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Periodic Table and Periodicity question

2025 · 2 Apr · Shift 2 · Q3

JEE MainChemistryPeriodic Table and PeriodicityMCQ+4 / −1
Electronic configuration of four elements A, B, C and D are given below : (A) 1s22s22p31 s^2 2 s^2 2 p^31s22s22p3(B) 1s22s22p41 s^2 2 s^2 2 p^41s22s22p4(C) 1s22s22p51 s^2 2 s^2 2 p^51s22s22p5(D) 1s22s22p21 s^2 2 s^2 2 p^21s22s22p2 Which of the following is the correct order of increasing electronegativity (Pauling's scale)?
  1. A
    D<A<B<C\mathrm{D}\lt \mathrm{A}\lt \mathrm{B}\lt \mathrm{C}D<A<B<C
  2. B
    A<B<C<D\mathrm{A}\lt \mathrm{B}\lt \mathrm{C}\lt \mathrm{D}A<B<C<D
  3. C
    A<C<B<D\mathrm{A}\lt \mathrm{C}\lt \mathrm{B}\lt \mathrm{D}A<C<B<D
  4. D
    A<D<B<C\mathrm{A}\lt \mathrm{D}\lt \mathrm{B}\lt \mathrm{C}A<D<B<C
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