MCQ
Above transformation can be carried out by


- A$H^+ / \Delta , Zn (Hg), HCl$
- ✓$HIO_4 , LiAlH_4$
- C$HIO_4 , H^+ / \Delta $
- D$H^+ / \Delta , HIO_4$


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$\frac{2}{3} Al_2 O_3 \rightarrow \frac{4}{3} Al + O_2$
$\Delta _rG = + 960\, kJ\, mol^{-1}$
The potential difference needed for the electrolytic reduction of aluminium oxide $(Al_2O_3)$ at $500^oC$ is at least ........ $V$.
