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Highly selective Backlog Qs for JEE MainChemistryChemical Bonding and Molecular Structure

In PO ₄³⁻, the formal charge on each oxygen atom and the P - O bond order respectively are

Options

  1. A-0.75,0.6
  2. B-0.75,1.0
  3. C-0.75,1.25
  4. D-3,1.25

Correct answer

C. -0.75,1.25

Step-by-step solution

Bond order = Number of bonds Number of Resonating structures = 5 4 =1.25 Three unit negative charge is being shared by four O atoms. Formal charge =-3 / 4

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