The formal charge on the phosphorous atom in PO3−4 ion is:
A
0
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B
−3
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C
+3
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D
+5
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Solution
The correct option is A0 Formal charge on any atom is calculated as: Formal charge (FC)=V−L−B2 Where, V= Total number of valence electrons in the atom L= Total number of non bonding (lone pair) electrons in the atom B= Total number of bonding (shared) electrons in that particular atom