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Question

The formal charge on the phosphorous atom in PO34 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 A 0
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

Hence, the formal charge on P atom =5012×10=0


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