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A reaction attains equilibrium state und...

A reaction attains equilibrium state under standard conditions, then:

A

equilibrium constant `K=1`

B

equilibrium constant `K=0`

C

`DeltaG^(@)=0` and `DeltaH^(@)=TDeltaS^(@)`

D

`DeltaG=0` and `DeltaH=TDeltaS`

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The correct Answer is:
A, C, D
`DeltaG^(@)=0` at equilibrium under standard state, also at equilibrium `DeltaG^(@)=0`
`:. DeltaH^(@)-TDeltaS^(@)=0`
Also, `DeltaG^(@)=2.303 RT ln Kimplies K=1`
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