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For every chemical reaction at equilibri...

For every chemical reaction at equilibrium `Delta G^(0)` is zero.

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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.

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

Knowledge Check

  • A chemical reaction is at equilibrium when

    A
    (A) Reactants are completely transformed into products
    B
    (B) The rates of forward and backward reactions are equal
    C
    (C) Formation of products is minimised
    D
    (D) Equal amounts of reactants and products are present

  • A chemical reaction is at equilibrium when

    A
    Reactants are completely transformed into products
    B
    The rates of forward and backward reactions are equal
    C
    Formation of products is minimised
    D
    Equal amounts of reactants and products are present

  • statement-1 : For every chemical reaction at equilibrium standard Gibbs energy of reaction is zero. statement-2 : At constant temperature and pressure, chemical reactions are spontaneous 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, Statment-2is True ,Statement-2is 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.

    • Similar Questions

    Explore conceptually related problems

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

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

    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.

    A chemical reaction is in equilibrium when

    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.

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