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Olympiad workbookNSECClassification of Elements and Periodicity in Properties

The correct order of ionic radii of Rb ⁺, Br ⁻, Sr ²⁺ and Se ²⁻ is

Options

  1. ARb ⁺ < Br ⁻ < Sr ²⁺ < Se ²⁻
  2. BSr ²⁺ < Rb ⁺ < Br ⁻ < Se ²⁻
  3. CSe ²⁻ < Br ⁻ < Sr ²⁺ < Rb ⁺
  4. DSe ²⁻ < Sr ²⁺ < Rb ⁺ < Br ⁻

Correct answer

B. Sr ²⁺ < Rb ⁺ < Br ⁻ < Se ²⁻

Step-by-step solution

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