1.

Which of the following conditions is/are favourablefor the feasibility of a reaction ?

Answer»

`DELTAH= +ve, TDeltaS = +ve and TDeltaS lt DeltaH`
`DeltaH= -ve, T DELTAS = +ve `
`DeltaH = -ve, TDeltaS=-ve and TDeltaS ltDeltaH`
`DeltaH=+ve. TDeltaS = +ve and TDeltaS lt DeltaH`

Solution :Fora reacton to be feasible,itsfreeenergymust benegative.
` DeltaG = DeltaH -TDeltaS = -ve `
In all three CASES(a,b,c) ` DeltaG `is negative but in option(d), `DeltaG ` is POSITIVE which is notfavourablefor the feasiblity of the reaction


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