For the reactions C-O2- CO2- - H-393J 2Zn-O2- 2ZnO- - -412J

The correct option is D Zn can oxidise carbon.Oxidation potential of Zn is greater than C as nbsp; Δ H of Zn is more negative than that of C nbsp;Thus Z ...

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Standard XII

Chemistry

Introduction to Oxidation and Reduction

For the react...

Question

For the reactions
$C + O_{2} \to C O_{2};$ $Δ H = - 393 J$
$2 Z n + O_{2} \to 2 Z n O;$ $Δ = - 412 J$

carbon can oxidise Zn

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oxidation of carbon is not feasible

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oxidation of Zn is not feasible

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Zn can oxidise carbon.

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Solution

The correct option is D Zn can oxidise carbon.
Oxidation potential of Zn is greater than C as $Δ$ H of Zn is more negative than that of C
Thus Zn can oxidise carbon

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Similar questions

Q. For the reaction,

C + O_{2} ⟶ C O_{2}; Δ H = - 393 J

2 Z n + O_{2} ⟶ 2 Z n O; Δ H = - 412 J J

Which one is correct?

Q. Given that

C + O_{2} ⟶ C O_{2}; Δ H^{\circ} = - x k J

2 C O + O_{2} ⟶ 2 C O_{2}; Δ H^{\circ} = - y k J

The heat of formation of carbon monoxide will be:

The oxidising agent for the following reaction is _______ .

CH₄+ 2O₂ → CO₂ + 2H₂O

Which one chemical reaction occurs during photosynthesis ?

(a) Carbon dioxide is reduced and water is oxidised.

(b) Water is reduced and carbon dioxide is oxidised.

(d) Both carbon dioxide and water are reduced.

Q. In which reaction, carbon is oxidised?

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For the reactions C+O2→CO2; ΔH=−393J2Zn+O2→2ZnO; Δ=−412J

The correct option is D Zn can oxidise carbon.Oxidation potential of Zn is greater than C as ΔH of Zn is more negative than that of C Thus Zn can oxidise carbon

For the reactions
$C + O_{2} \to C O_{2};$ $Δ H = - 393 J$
$2 Z n + O_{2} \to 2 Z n O;$ $Δ = - 412 J$

The correct option is D Zn can oxidise carbon.
Oxidation potential of Zn is greater than C as $Δ$ H of Zn is more negative than that of C
Thus Zn can oxidise carbon