The oxidation half reaction for following reaction isFe 2- aq - Cr 2 O 72- aq - Fe 3- aq - Cr 3- aq A- Fe 2- aq - Fe 3- aq B- Cr 2 O 72- aq - Cr 3- aq C- Fe 3- aq - Fe 2- aqD- Cr 3- aq - Cr 2 O 72- aq

The correct option is A Fe2+ (aq) → Fe3+(aq) Since in the given reaction Fe2+ is oxidized to Fe3+ Hence the oxidation half reaction can be represented as Fe2+ ...

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Standard XII

Chemistry

Alkylation Reactions

The oxidation...

Question

The oxidation half reaction for following reaction is

Fe²⁺(aq) + Cr₂O₇^2-(aq) → Fe³⁺ (aq) + Cr³⁺(aq)

Fe²⁺ (aq) → Fe³⁺(aq)

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Cr₂O₇^2-(aq) → Cr³⁺(aq)

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Fe³⁺(aq) → Fe²⁺ (aq)

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Cr³⁺(aq) → Cr₂O₇^2-(aq)

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Solution

The correct option is A
Fe²⁺ (aq) → Fe³⁺(aq)

Since in the given reaction Fe²⁺ is oxidized to Fe³⁺ Hence the oxidation half reaction can be represented as

Fe²⁺ (aq) → Fe³⁺(aq)

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Similar questions

Q. Balance the redox reaction by Half reaction method.

{F e}^{2 +} (a q) + {C r}_{2} O_{7}^{2 -} (a q) (acid medium) - ------- \to {F e}^{3 +} (a q) + {C r}^{3 +} (a q)

Balance the following redox reactions by ion-electron method:

(a) (aq) + I^– (aq) → MnO₂ (s) + I₂(s) (in basic medium)

(b) (aq) + SO₂ (g) → Mn²⁺ (aq) + (aq) (in acidic solution)

(d) + SO₂(g) → Cr³⁺ (aq) + (aq) (in acidic solution)

Q. The standard reduction potentials at

298 K

for the following half reactions are given against each:

Z n^{2 +} (a q) + 2 e ⇌ Z n (s); - 0.762 V

C r^{3 +} (a q) + 3 e ⇌ C r (s); - 0.740 V

2 H^{+} (a q) + 2 e ⇌ H_{2} (g); 0.00 V

F e^{3 +} (a q) + e ⇌ F e^{2 +} (a q); 0.770 V

Which is the strongest reducing agent?

Q. The standard reduction potential at 298 K for following half reactions are given against each

Z n^{2 +} (a q) + 2 e^{-} ⇌ Z n (s); - 0.762

C r^{3 +} (a q) + 3 e^{-} ⇌ C r (s); - 0.740

2 H^{⨁} (a q) + 2 e^{-} ⇌ H_{2} (g); 0.000

F e^{3 +} (a q) + 3 e^{-} ⇌ F e^{2 +} (a q); 0.770

Which is the strongest reducing agent ?

Q. The standard reduction potentials at 298 K for the following half reactions are given against each

Z n^{2 +} (a q) + 2 e ⇌ Z n (s) - 0.762

C r^{3 +} (a q) + 2 e ⇌ C r (s) - 0.740

2 H^{+} (a q) + 2 e ⇌ H_{2} (g) 0.000

F e^{3 +} (a q) + 2 e ⇌ F e^{2 +} (a q) 0.770

Which is the strongest reducing agent?

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The oxidation half reaction for following reaction is Fe2+(aq) + Cr2O72-(aq) → Fe3+ (aq) + Cr3+(aq)

The correct option is A Fe2+ (aq) → Fe3+(aq) Since in the given reaction Fe2+ is oxidized to Fe3+ Hence the oxidation half reaction can be represented as Fe2+ (aq) → Fe3+(aq)

The oxidation half reaction for following reaction is

Fe²⁺(aq) + Cr₂O₇^2-(aq) → Fe³⁺ (aq) + Cr³⁺(aq)

The correct option is A
Fe²⁺ (aq) → Fe³⁺(aq)

Since in the given reaction Fe²⁺ is oxidized to Fe³⁺ Hence the oxidation half reaction can be represented as

Fe²⁺ (aq) → Fe³⁺(aq)