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QJEEM18Chc59e: JEE Main 2018 Chemistry - Class 11 JEEM18Chc59e Solution: For Na + , Mg 2+ , F - and O 2- ; the correct order of…

For Na+, Mg2+, F- and O2-; the correct order of increasing ionic radii is :

Multiple Choice Options

  • A O2- < F- < Na+ < Mg2+
  • B Na+ < Mg2+ < F- < O2-
  • C Mg2+ < Na+ < F- < O2-
  • D Mg2+ < O2- < Na+ < F-

Step-by-Step Verified Solution

Here all of them are isoelectric. For isoelectric anion size is more than cation. Among two anions which anion has more negative charge will have more radius and among two cation which cation has less positive charge will have more radius.

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