1.7 Redox

Last updated 20 days ago

17 Nsɛmmisa

Laabri

1.7 Redox

Last updated 20 days ago

17 Nsɛmmisa

Asemmisa {{asɛmmisaAhyɛnsode}}

What is the oxidation number of iron in each of these compounds?

Fe(OH)₃
FeCl_²
Fe₃(PO₄)₂
FeSO₄

+1
+2
+3
-3
-2
-1

Asemmisa {{asɛmmisaAhyɛnsode}}

What is the oxidation number of carbon in each of these compounds?

CO
CO₂
H₂CO₃
C
CH₄

+1
+2
+3
+4
-2
-1
0

Asemmisa {{asɛmmisaAhyɛnsode}}

14.

In the reaction MgCl_2(l) ➝ Mg_(s) + Cl_2(g) , the oxidising agent is .......

Mg_(s)

Mg²⁺_(aq)

Cl₂(g)

Cl⁻_(aq)

Asemmisa {{asɛmmisaAhyɛnsode}}

15.

Asemmisa {{asɛmmisaAhyɛnsode}}

16.

Fe + HCl → FeCl₂ + H₂
Identify ONE substance being oxidised, ONE being reduced, ONE spectator ion, ONE oxidising agent and ONE reducing agent from the list of possible answers.
Note that not all of the listed substances need to be used and some may be used more than once.

Fe
Fe²⁺ions
H₂
H⁺ ions
Cl⁻ ions
Cl₂

Substance being oxidised
Substance being reduced
Spectator ion
Oxidising agent
Reducing agent

Asemmisa {{asɛmmisaAhyɛnsode}}

17.

For the following redox reaction, select the appropriate oxidation and reduction half-reaction:
Na + Fe³⁺ → Na⁺ + Fe²⁺

Na⁺+ e^- → Na
Fe³⁺ + 3e^- → Fe
Fe → Fe²⁺+ 2e^-
Fe³⁺ + e^- → Fe²⁺
Na → Na⁺+ e^-
Fe²⁺ + 2e^-→ Fe
Fe²⁺ → Fe³⁺+ e-
Fe → Fe³⁺+ 3e^-

oxidation half-reaction
reduction half-reaction

Asemmisa {{asɛmmisaAhyɛnsode}}

What is the oxidation number of iron in each of these compounds?

Fe(OH)₃
FeCl_²
Fe₃(PO₄)₂
FeSO₄

+1
+2
+3
-3
-2
-1

Asemmisa {{asɛmmisaAhyɛnsode}}

What is the oxidation number of carbon in each of these compounds?

CO
CO₂
H₂CO₃
C
CH₄

+1
+2
+3
+4
-2
-1
0

Asemmisa {{asɛmmisaAhyɛnsode}}

10.

Asemmisa {{asɛmmisaAhyɛnsode}}

11.

Asemmisa {{asɛmmisaAhyɛnsode}}

12.

Asemmisa {{asɛmmisaAhyɛnsode}}

13.

Asemmisa {{asɛmmisaAhyɛnsode}}

14.

In the reaction MgCl_2(l) ➝ Mg_(s) + Cl_2(g) , the oxidising agent is .......

Mg_(s)

Mg²⁺_(aq)

Cl₂(g)

Cl⁻_(aq)

Asemmisa {{asɛmmisaAhyɛnsode}}

15.

Asemmisa {{asɛmmisaAhyɛnsode}}

16.

Fe + HCl → FeCl₂ + H₂
Identify ONE substance being oxidised, ONE being reduced, ONE spectator ion, ONE oxidising agent and ONE reducing agent from the list of possible answers.
Note that not all of the listed substances need to be used and some may be used more than once.

Fe
Fe²⁺ions
H₂
H⁺ ions
Cl⁻ ions
Cl₂

Substance being oxidised
Substance being reduced
Spectator ion
Oxidising agent
Reducing agent

Asemmisa {{asɛmmisaAhyɛnsode}}

17.

For the following redox reaction, select the appropriate oxidation and reduction half-reaction:
Na + Fe³⁺ → Na⁺ + Fe²⁺

Na⁺+ e^- → Na
Fe³⁺ + 3e^- → Fe
Fe → Fe²⁺+ 2e^-
Fe³⁺ + e^- → Fe²⁺
Na → Na⁺+ e^-
Fe²⁺ + 2e^-→ Fe
Fe²⁺ → Fe³⁺+ e-
Fe → Fe³⁺+ 3e^-

oxidation half-reaction
reduction half-reaction

Asemmisa {{asɛmmisaAhyɛnsode}}

10.

Asemmisa {{asɛmmisaAhyɛnsode}}

11.

Asemmisa {{asɛmmisaAhyɛnsode}}

12.

Asemmisa {{asɛmmisaAhyɛnsode}}

13.

1.7 Redox

1.7 Redox

What is the oxidation number of iron in each of these compounds?

What is the oxidation number of carbon in each of these compounds?

In the reaction MgCl2(l) ➝ Mg(s) + Cl2(g) , the oxidising agent is .......

Fe + HCl → FeCl2 + H2 Identify ONE substance being oxidised, ONE being reduced, ONE spectator ion, ONE oxidising agent and ONE reducing agent from the list of possible answers. Note that not all of the listed substances need to be used and some may be used more than once.

Fe + HCl → FeCl2 + H2

For the following redox reaction, select the appropriate oxidation and reduction half-reaction: Na + Fe3+ → Na+ + Fe2+

Na + Fe3+ → Na+ + Fe2+

What is the oxidation number of iron in each of these compounds?

What is the oxidation number of carbon in each of these compounds?

In the reaction MgCl2(l) ➝ Mg(s) + Cl2(g) , the oxidising agent is .......

Fe + HCl → FeCl2 + H2 Identify ONE substance being oxidised, ONE being reduced, ONE spectator ion, ONE oxidising agent and ONE reducing agent from the list of possible answers. Note that not all of the listed substances need to be used and some may be used more than once.

Fe + HCl → FeCl2 + H2

For the following redox reaction, select the appropriate oxidation and reduction half-reaction: Na + Fe3+ → Na+ + Fe2+

Na + Fe3+ → Na+ + Fe2+

In the reaction MgCl_2(l) ➝ Mg_(s) + Cl_2(g) , the oxidising agent is .......

Fe + HCl → FeCl₂ + H₂
Identify ONE substance being oxidised, ONE being reduced, ONE spectator ion, ONE oxidising agent and ONE reducing agent from the list of possible answers.
Note that not all of the listed substances need to be used and some may be used more than once.

Fe + HCl → FeCl₂ + H₂

For the following redox reaction, select the appropriate oxidation and reduction half-reaction:
Na + Fe³⁺ → Na⁺ + Fe²⁺

Na + Fe³⁺ → Na⁺ + Fe²⁺

In the reaction MgCl_2(l) ➝ Mg_(s) + Cl_2(g) , the oxidising agent is .......

Fe + HCl → FeCl₂ + H₂
Identify ONE substance being oxidised, ONE being reduced, ONE spectator ion, ONE oxidising agent and ONE reducing agent from the list of possible answers.
Note that not all of the listed substances need to be used and some may be used more than once.

Fe + HCl → FeCl₂ + H₂

For the following redox reaction, select the appropriate oxidation and reduction half-reaction:
Na + Fe³⁺ → Na⁺ + Fe²⁺

Na + Fe³⁺ → Na⁺ + Fe²⁺