1.

The values of `DeltaH` and `DeltaS` for the reaction `C("graphite")+CO_(2)(g)to2CO(g)` are `170 kJ` and `170 JK^(-1)` respectively. The reaction will be spontaneous atA. 510 KB. 170KC. 910KD. 1110K

Answer» Correct Answer - D
For a spontaneous reaction
`DeltaG=-ve `
Or ar eq. `DeltaG=0`
`Delta H=T DeltaS `
`T=(DeltaH)/(DeltaS)`
`=(170xx10^(3))/(170)`
`=1000K`


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