Drugi mogući odgovor:
Reduced
Oxidised
Classify the first column as oxidation or reduction.
The second column gives the reduction half equation for each change.
2 e-
e-
3e-
Nuclear energy
What is the oxidation number of Br?
-2 | -1 | 0 | +1 | +2 | +3 | +4 | +5 | |
|---|---|---|---|---|---|---|---|---|
Br₂ | ||||||||
HBr | ||||||||
HBrO₃ | ||||||||
HOBr | ||||||||
NaBr | ||||||||
KBr | ||||||||
MgBr₂ | ||||||||
AlBr₃ |
What is the oxidation number of Sulfur ?
-2 | 0 | +2 | +4 | +6 | |
|---|---|---|---|---|---|
H₂S | |||||
S₈ | |||||
SO₂ | |||||
SO₃ | |||||
H₂SO₄ | |||||
Na₂SO₄ | |||||
MgSO₄ |
What is the oxidation number of Al?
What is the oxidation number of oxygen in O₂ ?
What is the oxidation number of iodine in I₂ ?
What is the oxidation number of Nitrogen
-3 | 0 | +2 | +3 | +4 | +5 | |
|---|---|---|---|---|---|---|
N₂ | ||||||
NaNO₃ | ||||||
NH₃ | ||||||
NO₃⁻ | ||||||
HNO₃ | ||||||
Mg(NO₃)₂ | ||||||
NH₄⁺ | ||||||
NO | ||||||
NO₂ | ||||||
NO₂⁻ |
What is the oxidation number of hydrogen?
-1 | 0 | +1 | |
|---|---|---|---|
H₂ | |||
H₂O | |||
NaH | |||
H₂O₂ | |||
CH₄ |
What is the oxidation number of oxygen?
-2 | -1 | 0 | +1 | +2 | |
|---|---|---|---|---|---|
O₂ | |||||
H₂O | |||||
H₂O₂ | |||||
Na₂O | |||||
MgO | |||||
H₂SO₄ | |||||
F₂O |
2 Ca(NO₃)₂ → 2 CaO + 4 NO₂ + O₂ (thermal decomposition of calcium nitrate)
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
NO₂ | arrow_right_alt | 2+ |
CaO | arrow_right_alt | 2- |
O₂ | arrow_right_alt | 4+ |
CaO | arrow_right_alt | 0 |
Fill in the oxidation numbers for magneisum (Reaction of magnesium with water).
Fill in the oxidation numbers for hydrogen
Fill in the oxidation numbers
2 Ca(NO₃)₂ → 2 CaO + 4 NO₂ + O₂ (thermal decomposition of calcium nitrate)
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
Ca(NO₃)₂ | arrow_right_alt | 2+ |
Ca(NO₃)₂ | arrow_right_alt | 5+ |
Ca(NO₃)₂ | arrow_right_alt | 2- |
