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Question: Answered & Verified by Expert
In the increasing order of their sizes, arrange the following ions \( \mathrm{N}^{3-}, \mathrm{Na}^{+}, \mathrm{F}^{-}, \mathrm{Mg}^{2+} \) and \( \mathrm{O}^{2-} \)
ChemistryClassification of Elements and Periodicity in PropertiesJEE Main
Options:
  • A \( \mathrm{Mg}^{2+}>\mathrm{Na}^{+}>\mathrm{F}>\mathrm{O}^{2-} < \mathrm{N}^{3-} \)
  • B \( \mathrm{N}^{3-} < \mathrm{F}>\mathrm{O}^{2}>\mathrm{Na}^{+}>\mathrm{Mg}^{2+} \)
  • C \( \mathrm{Mg}^{2+} < \mathrm{Na}^{+} < \mathrm{F} < \mathrm{O}^{2-} < \mathrm{N}^{3-} \)
  • D \( \mathrm{N}^{3}>\mathrm{O}^{2}>\mathrm{F}>\mathrm{Na}^{+} < \mathrm{Mg}^{2+} \)
Solution:
2635 Upvotes Verified Answer
The correct answer is: \( \mathrm{Mg}^{2+} < \mathrm{Na}^{+} < \mathrm{F} < \mathrm{O}^{2-} < \mathrm{N}^{3-} \)
Mg2+<Na+<F<O2-<N3-

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