1.

If the E_("cell")^(@) for a given reaction has a negative value, then which of the following gives the correct relationships for the values of Delta G ^(@) and K_(eq),

Answer»

`DELTAG^(@)gt 0, K _(aq) gt1`
`Delta G^(@) lt 0 , K _(eq) gt1`
`DeltaG^(@) lt 0, K_(eq)lt 1`
`Delta G^(@)gt 0, K_(aq)lt 1`

Solution :Standard Gibbs FREC ENERGY is given as `DeltaG ^(@)=-nE ^(@)F If E_(CELL) ^(@) lt 0 i.e., -ve`
`DeltaG^(@)gt 0`
Further `Delta G^(@)=-RTln K_(eq)`
`therefore Delta G^(@) gt 0 and K _(aq) lt 0`


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