Which of the following statements is/are corr | vedclass

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Question

(A) In an Ellingham diagram,the metal whose oxidation curve lies lower is a better reducing agent for the oxide of the metal whose curve lies higher.B

Vedclass · Accepted Answer

$Mg$ will be a good reducing agent below $1673 \ K$.

Vedclass · Answer

(A) In an Ellingham diagram,the metal whose oxidation curve lies lower is a better reducing agent for the oxide of the metal whose curve lies higher.Below $1673 \ K$,the curve for $2Mg + O_2 \rightarrow 2MgO$ lies below the curve for $4/3Al + O_2 \rightarrow 2/3Al_2O_3$,which means $\Delta G^o_{MgO} Above $1673 \ K$,the curve for $Al$ oxidation lies below the curve for $Mg$ oxidation,meaning $Al$ can reduce $MgO$ to $Mg$. Therefore,$Al_2O_3$ is not a reducing agent,but $Al$ is.Thus,only statement $(A)$ is correct.

Which of the following statements is/are correct based on the provided Ellingham diagram?

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