Home » In PO3−4 ion, the formal charge on each oxygen atom and P-O bond order respectively are Chemical Bonding MCQs In PO3−4 ion, the formal charge on each oxygen atom and P-O bond order respectively are April 11, 2022 135 Views Q. In PO3−4 ion, the formal charge on each oxygen atom and P-O bond order respectively are -0.75, 0.6-0.75, 1.0-0.75, 1.25-3.1, 1.25 Answer: -0.75, 1.25