JEE Main & Advanced
Sample Paper
JEE Main - Mock Test - 26
question_answer
\[\Delta G\]for the reaction,\[\frac{4}{3}Al+{{O}_{2}}\xrightarrow[{}]{{}}\frac{2}{3}A{{l}_{2}}{{O}_{3}}\] is \[-772\text{ kJ mo}{{\text{l}}^{-}}^{1}.\] The minimum EMF in volts required to carry out an electrolysis of \[A{{l}_{2}}{{O}_{3}}\]is ___.