1.

Statement 1 : For every chemical reaction at equilibrium, standard Gibbs energy of reaction is zero. Statemet 2 : At constant temperature and pressure, chemical reactions are spontaneous in the direction of decreasing Gibbs energy.

Answer»

Statement 1 is TRUE, statement-2 is true, statement 2 is a correct explanation for statement 3
Statement 1 is true, statement 2 is true, statement 2 is not a correct explanation for statement 3
Statement 1 is true, statement 2 is false
Statement 1 is false, statement 2 is true

Solution :At equilibrium `DeltaG` (Gibbs energy) = 0 but `DeltaG^(@)` (standard Gibbs energy) `NE 0`
As `DeltaG` is `II^(nd)` law of thermodynamics which concludes that total HEAT can NEVER CONVERTED into equivalent amount of work.


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