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At 1000K, water vapour at 1 atm has been...

At 1000K, water vapour at 1 atm has been found to be dissociated into hydrogen and oxygen to the extent of `3xx10^(-5)%`. The std free energy change of the system at standard state, assuming ideal behaviour in kJ will be

A

`-DG= 90,060` cal

B

`-DG`=20cal

C

`-DG= 480` cal

D

`-DG= -45760` cal

Text Solution

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The correct Answer is:
D
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