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Chemistry
The correct statement regarding the given Ellingham diagram is:
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Q. The correct statement regarding the given Ellingham diagram is:
JEE Main
JEE Main 2019
General Principles and Processes of Isolation of Elements
A
At $800\,{}^{\circ}C$, $Cu$ can be used for the extraction of $Zn$ from $ZnO$
5%
B
At $500\,{}^{\circ}C$ coke can be used for the extraction of $Zn$ from $ZnO$
14%
C
Coke cannot be used for the extraction of $Cu$ from $Ca_2O$.
14%
D
At $1400\,{}^{\circ}C$ $Al$ can be used for the extraction of $Zn$ from $ZnO$
67%
Solution:
According to the given diagram Al can reduce ZnO.
$3ZnO + 2Al \rightarrow 3Zn + Al_2O_3 $
