Answer
C
Work Step by Step
From the definition:
$F.\ Charge= NVE-LPE-BE/2$
Phosphorus is in group 15 so NVE=5;
All 4 oxygens are bonded to it by single bonds, so BE=8;
there are no lone pairs so LPE=0
Hence the formal charge is +1.
Chemistry and Chemical Reactivity (9th Edition)
by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.
Published by
Cengage Learning
ISBN 10:
1133949649
ISBN 13:
978-1-13394-964-0
Chapter 8 Bonding and Molecular Structure - 8-3 Atom Formal Charges in Covalent Molecules and Ions - Review & Check for Section 8-3 - Page 298: 1
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