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Statement -1: For every chmical reaction...

Statement -1: For every chmical reaction at equilibrium , standard Gidds energy of reaction is zero
Statement-2: At constant temperature and pressure , chemical reactions are spontaneious in the direction of decreasing gibbs energy.

A

Statement-1 is True, Statement -2 is True, Statement-2 is a correct explanation for Statement-1.

B

Statement -1 is True ,Starement -2 is True ,Statement-2 is not a correct explanation for Statement-1

C

Statement-1 is True ,Statement-2 is False.

D

Statement-1 is False ,Statement-2 is True.

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The correct Answer is:
d
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Select correct statements: S_(1) : For every chemical reaction at equilibrium , standard gibbs energy of reaction is zero S_(2) : At constant temperature and pressure , chemical reactions are spontaneous in the direction of decreasing gibbs energy. S_(3) : Spontancity is related to change in entropy if universe.

Assertion (A): For every chemical reaction at equilibrium, standard Gibbs enegry of the reaction is zero. Reason (R ) : At constant temperature and pressure chemical reactions are spontaneous in the direction of the decreasing Gibbs energy.

In the following questions , a statement of assertion (A) is followed by a statement of reason (R). A : For every chemical reaction at equilibrium, the value of standard Gibbs free energy change is zero. R: At constant temperature and pressure for a reaction that direction is preferred for which Gibbs free energy increases.

The activation energy of a reaction is zero. The rate constant of the reaction

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