Assign oxidation to each atom in calcium periodate, Ca(IO_4)_2 A. Ca = + 2, I =

Question

Assign oxidation to each atom in calcium periodate, Ca(IO_4)_2
A. Ca = + 2, I = -1, O = -2 B. Ca= + 2, I = +3, O =-2 C. Ca = + 2, I = +7, O= -2 D. Ca = +2, I = +1, O= -2 E. Ca = +2, I = +5, O = -2 Assign oxidation to each atom in calcium periodate, Ca(IO_4)_2
A. Ca = + 2, I = -1, O = -2 B. Ca= + 2, I = +3, O =-2 C. Ca = + 2, I = +7, O= -2 D. Ca = +2, I = +1, O= -2 E. Ca = +2, I = +5, O = -2
A. Ca = + 2, I = -1, O = -2 B. Ca= + 2, I = +3, O =-2 C. Ca = + 2, I = +7, O= -2 D. Ca = +2, I = +1, O= -2 E. Ca = +2, I = +5, O = -2

Explanation / Answer

answer : C). Ca = + 2, I = +7, O= -2

Ca(IO4)2

Oxidation state of Ca :

x + 2 (-1) = 0

x = 2

Ca oxidation state = +2

Oxygen Oxidation state = -2

2 + 2 (x - 8) = 0

2 + 2x - 16 = 0

x = +7

oxidation state of I = +7

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