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For a reaction : 2NH(3)(g)overset("pt")r...

For a reaction : `2NH_(3)(g)overset("pt")rarrN_(2)(g)+3H_(2)(g),rate = K `
Write the order and molecularity of this reaction.

Text Solution

Verified by Experts

For the given reaction , rate = k (rate constant ) , indicating that it is a zero order reaction . As two molecules of reactant are involved in the reaction , its molecularity will be 2.
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Knowledge Check

  • For the reaction, 2NH_(3)(g) to N_(2)(g)+3H_(2)(g) -

    A
    `DeltaH lt 0,DeltaS gt0`
    B
    `DeltaH gt0, DeltaS gt0`
    C
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    D
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    A
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    B
    `(atm)^3`
    C
    `(atm)^-2`
    D
    `(atm)^2`

  • At high pressure the following reaction is zero order. 2NH_(3)(g)underset("platinum catalyst")overset (1130K)rarrN_(2)(g)+3H_(2)(g) . Which of the following options are correct for this reaction -

    A
    rate of reaction= rate constant
    B
    rate of the reaction depends on concentration of ammonia
    C
    rate of decomposition of ammonia will remain constant until ammonia disappears completely
    D
    further increase in pressure will change the rate of reaction.

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