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At equilibrium stage, the rate of forwar...

At equilibrium stage, the rate of forward reaction is ……….. To the rate of backward reaction.

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The rate of forward reaction becomes equal to rate of backward reaction at equilibrium.
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At equilibrium rate of forward reaction is always equal to ……….

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Knowledge Check

  • In the following reaction: 2NO_((g))+Cl_(2(g))hArr2NOCl_((g)) it is observed that equilibrium is not attained and the rate of forward reaction is greater than rate of backward reaction. Which of the following is true for the reaction ?

    A
    `K_(p)=Q_(p)`
    B
    `Q_(p)gtK_(p)`
    C
    `Q_(p)ltK_(p)`
    D
    `Q_(p)=0`

  • Which statement characterize a chemical system at equilibrium ? (P)the rate of the forward reaction is equal to the rate of the reverse reaction (Q)The concentrations of the reactants and products are equal.

    A
    P only
    B
    Q only
    C
    Both P and Q
    D
    Neither P nor Q

  • Mass action ratio or reaction quotient Q for a reaction can be calculated using the law of mass actionl, A(g)+B(g)hArrC(g)+D(g) Q=([C][D])/([A][B]) The value of Q decides whether the reaction is at equilibrium or not. At equilibrium, Q=K For non-equilibrium process QneK When QgtK , reaction will be favoured in backward direction and when QltK , it will be favoured in forward direction. In the following reaction : 2SO_(2)(g)+O_(2)(g)hArr2SO_(3)(g) The equilibrium is not attained. The rate of forward reaction is greater than that of backward reaction. Thus, which of the following is the correct relation between K_(p) and Q_(p) ?

    A
    `K_(p)=Q_(p)`
    B
    `Q_(p)ltK_(p)`
    C
    `Q_(p)ltK_(p)`
    D
    `K_(p)=Q_(p)=1`

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    A catalyst increases the rate of forward reaction and decrease the rate of backwark reaction.

    In an equilibrium , the catalyst increases th rate of the forward reaction while decreases the rate of the backward reaction.

    If reaction A+BhArrC+D , taken place in 5 liter close vessel, the rate constant of forward reaction is nine times of rate of backward reaction. If initially one mole of each reactant present in the container, then find the correct option//is.

    The E_a for forward reaction is 50 kcal. The E_a for its backward reaction is:

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