A) \[Mg+\frac{1}{2}{{O}_{2}}\xrightarrow[{}]{{}}MgO\]
B) \[2Ag+\frac{1}{2}{{O}_{2}}\xrightarrow[{}]{{}}A{{g}_{2}}O\]
C) \[CO+\frac{1}{2}{{O}_{2}}\xrightarrow[{}]{{}}C{{O}_{2}}\]
D) All of the above
Correct Answer: D
Solution :
Reaction (i)\[M(s)+\frac{1}{2}{{O}_{2}}\xrightarrow[{}]{{}}MO(s)\] Reaction (ii) \[CO(g)+\frac{1}{2}{{O}_{2}}\xrightarrow[{}]{{}}C{{O}_{2}}(g)\] Reaction (iii) \[C(s)+\frac{1}{2}{{O}_{2}}\xrightarrow[{}]{{}}C{{O}_{2}}(g)\] \[\Delta G{}^\circ vs,T\]plot in the Ellinghams diagram slopes downwards for the reaction (I) and reaction (II). For reaction (III)\[\Delta G{}^\circ vs,T\]in the diagram slopes upwards.You need to login to perform this action.
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