Na⁺, Mg²⁺, Al³⁺ and Si⁴⁺ are isoelectronic. The order of their ionic size is
- ANa⁺ > Mg²⁺ < Al³⁺ < Si⁴⁺
- BNa⁺ Al³⁺ > Si⁴⁺
- CNa⁺ > Mg²⁺ > Al³⁺ > Si⁴⁺
- DNa⁺ Al³⁺ < Si⁴⁺
✓ Correct answer: C
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Question ID #431854 · NewNcert