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6.27 Predict conditions under which Al might be expected to reduce MgO.

Answers (1)

M manish

As per the Ellingham diagram, above 1350, the standard Gibbs free energy of formation $(\Delta G^{0}_{f})$ of $Al_{2}O_{3}$ is lower than the $MgO$ from $Mg$ . So, that's why above $1350^{0}C$ , $Al$ can reduce MgO.

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