Reactivity 3.2.1—Oxidation and reduction can be described in terms of electron transfer, change in oxidation state, oxygen gain/loss or hydrogen loss/gain. Deduce oxidation states of an atom in a compound or an ion. Identify the oxidized and reduced species and the oxidizing and reducing agents in a chemical reaction.
Description
[N/A]Directly related questions
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EXM.1B.HL.TZ0.1ci:
The titration of Fe(II) with MnO4 in acid medium is a redox reaction. State the oxidised and reduced species, including their change in oxidation states.
Oxidised: ........................................................................................................................................
Reduced: ........................................................................................................................................ -
EXM.1B.SL.TZ0.1ci:
The titration of Fe(II) with MnO4 in acid medium is a redox reaction. State the oxidised and reduced species, including their change in oxidation states.
Oxidised: ........................................................................................................................................
Reduced: ........................................................................................................................................ -
EXM.1B.HL.TZ0.1ci:
The titration of Fe(II) with MnO4 in acid medium is a redox reaction. State the oxidised and reduced species, including their change in oxidation states.
Oxidised: ........................................................................................................................................
Reduced: ........................................................................................................................................ -
EXM.1B.HL.TZ0.i:
The titration of Fe(II) with MnO4 in acid medium is a redox reaction. State the oxidised and reduced species, including their change in oxidation states.
Oxidised: ........................................................................................................................................
Reduced: ........................................................................................................................................ -
EXM.1B.SL.TZ0.1ci:
The titration of Fe(II) with MnO4 in acid medium is a redox reaction. State the oxidised and reduced species, including their change in oxidation states.
Oxidised: ........................................................................................................................................
Reduced: ........................................................................................................................................ -
EXM.1B.SL.TZ0.i:
The titration of Fe(II) with MnO4 in acid medium is a redox reaction. State the oxidised and reduced species, including their change in oxidation states.
Oxidised: ........................................................................................................................................
Reduced: ........................................................................................................................................ -
22N.1A.SL.TZ0.22:
Which substance is the reducing agent in the given reaction?
H+ (aq) + 2H2O (l) + 2MnO4− (aq) + 5SO2 (g) → 2Mn2+ (aq) + 5HSO4− (aq)
A. H+B. H2O
C. MnO4−
D. SO2
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22N.1A.SL.TZ0.22:
Which substance is the reducing agent in the given reaction?
H+ (aq) + 2H2O (l) + 2MnO4− (aq) + 5SO2 (g) → 2Mn2+ (aq) + 5HSO4− (aq)
A. H+B. H2O
C. MnO4−
D. SO2
- 19M.1A.SL.TZ2.28: Which compound contains sulfur with an oxidation state of +6? A. SO2 B. H2S C. H2SO3 D. H2SO4
- 19M.1A.SL.TZ2.28: Which compound contains sulfur with an oxidation state of +6? A. SO2 B. H2S C. H2SO3 D. H2SO4
- 19M.1A.SL.TZ2.28: Which compound contains sulfur with an oxidation state of +6? A. SO2 B. H2S C. H2SO3 D. H2SO4
- 19M.1A.SL.TZ2.28: Which compound contains sulfur with an oxidation state of +6? A. SO2 B. H2S C. H2SO3 D. H2SO4
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19M.1A.SL.TZ1.22:
Which is the species oxidized and the oxidizing agent in the reaction?
MnO2 (s) + 4HCl (aq) → MnCl2 (aq) + Cl2 (g) + 2H2O (l)
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19M.1A.SL.TZ1.22:
Which is the species oxidized and the oxidizing agent in the reaction?
MnO2 (s) + 4HCl (aq) → MnCl2 (aq) + Cl2 (g) + 2H2O (l)
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19M.1A.SL.TZ1.22:
Which is the species oxidized and the oxidizing agent in the reaction?
MnO2 (s) + 4HCl (aq) → MnCl2 (aq) + Cl2 (g) + 2H2O (l)
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19M.1A.SL.TZ1.22:
Which is the species oxidized and the oxidizing agent in the reaction?
MnO2 (s) + 4HCl (aq) → MnCl2 (aq) + Cl2 (g) + 2H2O (l)
- 21M.2.SL.TZ1.1e(ii): Deduce the change in the oxidation state of sulfur.
- 21M.2.SL.TZ1.1e(ii): Deduce the change in the oxidation state of sulfur.
- 21M.2.SL.TZ1.e(ii): Deduce the change in the oxidation state of sulfur.
- 21M.2.SL.TZ1.1e(ii): Deduce the change in the oxidation state of sulfur.
- 21M.2.SL.TZ1.1e(ii): Deduce the change in the oxidation state of sulfur.
- 21M.2.SL.TZ1.e(ii): Deduce the change in the oxidation state of sulfur.
- 21M.2.SL.TZ1.1d(ii): Deduce the change in the oxidation state of sulfur.
- 21M.2.SL.TZ1.1d(ii): Deduce the change in the oxidation state of sulfur.
- 21M.2.SL.TZ1.d(ii): Deduce the change in the oxidation state of sulfur.
- 21M.2.SL.TZ1.1d(ii): Deduce the change in the oxidation state of sulfur.
- 21M.2.SL.TZ1.1d(ii): Deduce the change in the oxidation state of sulfur.
- 21M.2.SL.TZ1.d(ii): Deduce the change in the oxidation state of sulfur.
- 22M.1A.SL.TZ1.21: In which of the following species would sulfur be reduced if converted to SCl2? A. S2O32– B. ...
- 22M.1A.SL.TZ1.21: In which of the following species would sulfur be reduced if converted to SCl2? A. S2O32– B. ...
- 22M.1A.SL.TZ1.21: In which of the following species would sulfur be reduced if converted to SCl2? A. S2O32– B. ...
- 22M.1A.SL.TZ1.21: In which of the following species would sulfur be reduced if converted to SCl2? A. S2O32– B. ...
- 22M.1A.SL.TZ2.21: Which species could be reduced to form NO2? A. N2 B. NO3− C. HNO2 D. NO
- 22M.1A.SL.TZ2.21: Which species could be reduced to form NO2? A. N2 B. NO3− C. HNO2 D. NO
- 22M.1A.SL.TZ2.21: Which species could be reduced to form NO2? A. N2 B. NO3− C. HNO2 D. NO
- 22M.1A.SL.TZ2.21: Which species could be reduced to form NO2? A. N2 B. NO3− C. HNO2 D. NO
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22M.1A.SL.TZ2.22:
Which combination best describes what is happening to chloromethane, CH3Cl, in the equation below?
CH3Cl (g) + H2 (g) CH4 (g) + HCl (g)
A. Oxidation and addition
B. Oxidation and substitution
C. Reduction and addition
D. Reduction and substitution
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22M.1A.SL.TZ2.22:
Which combination best describes what is happening to chloromethane, CH3Cl, in the equation below?
CH3Cl (g) + H2 (g) CH4 (g) + HCl (g)
A. Oxidation and addition
B. Oxidation and substitution
C. Reduction and addition
D. Reduction and substitution
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22M.1A.SL.TZ2.22:
Which combination best describes what is happening to chloromethane, CH3Cl, in the equation below?
CH3Cl (g) + H2 (g) CH4 (g) + HCl (g)
A. Oxidation and addition
B. Oxidation and substitution
C. Reduction and addition
D. Reduction and substitution
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22M.1A.SL.TZ2.22:
Which combination best describes what is happening to chloromethane, CH3Cl, in the equation below?
CH3Cl (g) + H2 (g) CH4 (g) + HCl (g)
A. Oxidation and addition
B. Oxidation and substitution
C. Reduction and addition
D. Reduction and substitution
- 22M.2.SL.TZ1.1d(ii): Determine the oxidation state of nitrogen in Mg3N2 and in NH3.
- 22M.2.SL.TZ1.1d(ii): Determine the oxidation state of nitrogen in Mg3N2 and in NH3.
- 22M.2.SL.TZ1.d(ii): Determine the oxidation state of nitrogen in Mg3N2 and in NH3.
- 22M.2.SL.TZ1.1d(ii): Determine the oxidation state of nitrogen in Mg3N2 and in NH3.
- 22M.2.SL.TZ1.1d(ii): Determine the oxidation state of nitrogen in Mg3N2 and in NH3.
- 22M.2.SL.TZ1.d(ii): Determine the oxidation state of nitrogen in Mg3N2 and in NH3.
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22M.2.SL.TZ1.1d(iii):
Deduce, giving reasons, whether the reaction of magnesium nitride with water is an acid–base reaction, a redox reaction, neither or both.
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22M.2.SL.TZ1.1d(iii):
Deduce, giving reasons, whether the reaction of magnesium nitride with water is an acid–base reaction, a redox reaction, neither or both.
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22M.2.SL.TZ1.d(iii):
Deduce, giving reasons, whether the reaction of magnesium nitride with water is an acid–base reaction, a redox reaction, neither or both.
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22M.2.SL.TZ1.1d(iii):
Deduce, giving reasons, whether the reaction of magnesium nitride with water is an acid–base reaction, a redox reaction, neither or both.
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22M.2.SL.TZ1.1d(iii):
Deduce, giving reasons, whether the reaction of magnesium nitride with water is an acid–base reaction, a redox reaction, neither or both.
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22M.2.SL.TZ1.d(iii):
Deduce, giving reasons, whether the reaction of magnesium nitride with water is an acid–base reaction, a redox reaction, neither or both.