Oxidation numbers (Redox-01) Determine the oxidation numbers of all atoms involved H2 F2 Na+ S2- H2O Fe3O4 CH4 CH3F CHF3 CH4O N2O4 NO HNO3 H3O+ NH+4

  Exercise: Redox-01    

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Determine the oxidation numbers of all atoms involved

1. H₂
2. F₂
3. Na⁺
4. S^2-
5. H₂O
6. Fe₃O₄
7. CH₄
8. CH₃F
9. CHF₃
10. CH₄O
11. N₂O₄
12. NO
13. HNO₃
14. H₃O⁺
15. NH+4

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Hinweis: For neutral molecules, the sum of the oxidation numbers must be equal to 0, otherwise the sum is equal to the charge

Solution:

Start-Tabelle-2

a) H2		H: 0
b) F2		F: 0
c) Na+		Na+: +Ⅰ
d) S2-		S2-: -Ⅱ
e) H2O		H: +Ⅰ	O: -Ⅱ
f) Fe3O4		Fe: +Ⅲ	O: -Ⅱ
g) CH4		C: -Ⅳ	H: +Ⅰ
h) CH3F		F: -Ⅰ	H: +Ⅰ	C: -Ⅱ
i) CHF3		F: -Ⅰ	H: +Ⅰ	C: +Ⅱ
j) CH4O		O: -Ⅱ	H: +Ⅰ	C: -Ⅱ
k) N2O4		N: +Ⅳ	O: -Ⅱ
l) NO		N: +Ⅱ	O: -Ⅱ
m) HNO3		H: +Ⅰ	N: +Ⅴ	O: -Ⅱ
n) H3O+		H: +Ⅰ	O:-II
o) NH+4		N: -Ⅲ	H: + I

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