MCQ
Two elements whose electronegativities are $1.2$ and $3.0$ the bond formed between them would be
- ✓Ionic
- BCovalent
- CCoordinate
- DMetallic
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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 ........ $V$.