Which of the following is a correct set of oxidation numbers for the atoms in calcium dihydrogen phosphate,Ca(H2PO4) 2?
A) Ca = +2,H = +1,P = +5,O = -2
B) Ca = +2,H = 0,P = +7,O = -8
C) Ca = +2,H = -1,P = +4,O = -2
D) Ca2+ = +2,H2PO4- = -1
E) Ca = +2,H = +1,P = +3,O = -2
Correct Answer:
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