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For the assumed reaction X 2+ 2Y 2 to 2X...

For the assumed reaction `X_ 2+ 2Y _2 to 2XY_2`, write the rate equation in terms of the rate of disappearance of `Y_2`.

Text Solution

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Rate of reaction =`-(1//2)d[Y]//(dt)`
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Knowledge Check

  • For a reaction 1/2A rarr 2B, rate of disappearance of 'A' is related to the rate of appearance of B by the expression

    A
    `-(d[A])/dt=1/2(d[B])/dt`
    B
    `-(d[A])/dt=1/4(d[B])/dt`
    C
    `-(d[A])/dt=(d[B])/dt`
    D
    `-(d[A])/dt=4(d[B])/dt`

  • Consider the following reaction for 2NO_(2)(g)+F_(2)(g)rarr2NO_(2)F(g) The expression for the rate of reaction in terms of the rate of change of partial pressure of partial pressure of reactant and product is/ are —

    A
    `r=-(1)/(2)[dp(NO_(2))//dt]`
    B
    `r=(1)/(2)[dp(NO_(2))//dt]`
    C
    `r=-(1)/(2)[dp(NO_(2)F)//dt]`
    D
    `r=(1)/(2)[dp(NO_(2)F)//dt]`

  • Standard entropies of X_2, Y_2 and XY_3 are 60, 40 and 50 JK^-1 mol^-1 respectively. For the reaction 1/2 X_2+3/2 Y_2 iff XY_3, DeltaH = -30 kJ to be at equilibrium the temperature should be

    A
    750 K
    B
    1000 K
    C
    1250 K
    D
    500 K

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