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At 1250 K 2FeO(s)to2Fe(s)+O(2)(g), Del...

At `1250 K`
`2FeO(s)to2Fe(s)+O_(2)(g)`, `DeltaG=+320kJmol^(-1)` of `O_(2)`
`2C(s)+O_(2)(g)to2CO(g)`, `DeltaG=-430 kJ mol^(-1)` of `O_(2)`
The following coupled reaction is spontaneous because
`2FeO(s)+2C(s)to2Fe(s)+2CO(g)`

A

(A) ln `1st` reaction entropy is increasing

B

(B) ln `2nd` reaction entropy is increasing

C

(C) `DeltaG` of the net reaction is negative

D

(D) All of these

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Given (i) 2Fe_(2)O_(3)(s) rarr 4Fe(s)+3O_(2)(g) , DeltaG^(@)=+1487.0 kj mol^(-1) (ii) 2CI(g)+O_(2) rarr 2CO_(2)(g) , Delta_(r )G^(@)=-514.4 kj mol^(-1) Free energy change Delta_(r)G^(@) for the reaction 2Fe_(2)O_(3)(s)+6CO(g) rarr 4Fe(s)+6cO_(2)(g) will be :

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AAKASH INSTITUTE ENGLISH-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Objective type Questions (One option is correct)
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