An endothermic gaseous reaction, `(1)/(2)X+Y to2Z` proceeds spontaneously at `27^(@)C` because
An endothermic gaseous reaction,
`(1)/(2)X+Y to2Z`
proceeds spontaneously at `27^(@)C` because
A. `DeltaH lt 0` , `DeltaS lt 0`
B. `DeltaH gt 0` , `DeltaS gt 0`
C. `DeltaH lt 0` , `DeltaS gt 0`
D. `DeltaH gt 0` , `DeltaS lt 0`
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Correct Answer - B
Since the process is endothermic, therefore `DeltaH gt0`. For endiothermic process to be spontaneous `DeltaS gt 0 (T DeltaS gt DeltaH)`.
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