GKFix MCQ Question

Arrange N³⁻, O²⁻, F⁻, Na⁺, Mg²⁺, Al³⁺ in increasing order of ionic radius.

• A. N³⁻ < O²⁻ < F⁻ < Na⁺ < Mg²⁺ < Al³⁺
• B. Al³⁺ < Mg²⁺ < Na⁺ < F⁻ < O²⁻ < N³⁻
• C. All have same radius
• D. F⁻ < Cl⁻ < Br⁻ < I⁻