1.

Consider the following reactions at 1000^@C : (a) Zn(s) +1/2O_2(g) rarr ZnO (s) ,DeltaG^@=-360kJ mol^(-1) (b) C (g) +1/2O_2(g) rarr CO(g),DeltaG^@=-460 " kJ mol"^(-1) Choose the correct statement at 1000^@C :

Answer»

Zinc can be oxidised by CARBON monoxide
Zine oxide can be REDUCED by GRAPHITE
Both statement (a) and (B) are true
Both statement (a) and (b) are FALSE

Answer :B


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