In PO43– ion the formal charge on the oxygen atom of P–O bond is
(i) + 1
(ii) – 1
(iii) – 0.75
(iv) + 0.75
In PO43– ion the formal charge on the oxygen atom of P–O bond is
(i) + 1
(ii) – 1
(iii) – 0.75
(iv) + 0.75
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1 Answer
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This is a Multiple Choice Questions as classified in NCERT Exemplar
Ans: Option (ii)
In a polyatomic molecule or an ion, the formal charge of an atom is defined as the difference between the valence electrons present in that atom and the number of electrons assigned to that atom in the Lewis structure.
Formal charge = No. of valence electrons - (No. of lone pair
Formal Charge = 6 -
Formal Charge = -1
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