| The correct statement regarding the given Ellingham diagram is: |
 |
A) At \[1400{}^\circ C,\]\[Al\]can be used for the extraction of Zn from \[ZnO\]
B) At \[500{}^\circ C,\] coke can be used for the extraction of Zn from \[ZnO\]
C) Coke cannot be used for the extraction of Cu from \[C{{U}_{2}}O\]
D)
At 
Cu can be used for the extraction of Zn from \[ZnO\]
Correct Answer: A
Solution :
\[4Al+6ZnO\xrightarrow[{}]{{}}2A{{l}_{2}}{{O}_{3}}+6Zn\] \[\Delta H\] for the above reaction is \[ve.\]
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