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AP EAMCET20225 Jul 2022Evening ShiftChemistryChemical Bonding and Molecular StructureActual

The combination of which of the following gives an ionic compound with maximum covalent character.

Options

  1. AMg ²⁺ and Cl ⁻
  2. BMg ²⁺ and O ²⁻
  3. CNa ⁺ and Br ⁻¹
  4. DNa ⁺ and O ²⁻

Correct answer

B. Mg ²⁺ and O ²⁻

Step-by-step solution

According to the Fajan's rule, smaller the size of cation and larger size anion have greater covalent character.

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