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Social ScienceGive the oxidation numbers for the specified atoms in the following molecules and ions. (a) Mg3N2 N: (b) CaC2 C: (c) ZnO22− O: (d) NaBH4 B: (e) C2O42− C: (f) WO42− W:
Give the oxidation numbers for the specified atoms in the following molecules and ions.
(a) Mg3N2
N:
(b) CaC2
C:
(c) ZnO22−
O:
(d) NaBH4
B:
(e) C2O42−
C:
(f) WO42−
W:
Expert Answer
- Mg3N2
N: Assume that the oxidation state of N = x
Oxidation sate of Mg = 2
- The sum of oxidation numbers of all the elements in the given molecule is equal to zero.
3(2) + 2x= 0
2x = -6
x = -6/2 = -3
(b) CaC2
C: Assume that the oxidation state of C = x
Oxidation sate of Ca = +2
- The sum of oxidation numbers of all the elements in the given molecule is equal to zero.
2 + 2 x = 0
2x = -2
x = -2/2 = -1
(c) ZnO22−
O: Assume that the oxidation state of O
Oxidation sate of Zn = +2
The sum of oxidation numbers of all the elements in the given molecule is equal to zero. While in case of ion...
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