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Write order of the following reaction: 2NHX3(g)⟶NX2(g)+3HX2(g)

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प्रश्न

Write order of the following reaction:

\[\ce{2NH_{3(g)} -> N_{2(g)} + 3H_{2(g)}}\]

एक पंक्ति में उत्तर
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उत्तर

Decomposition of ammonia (in the presence of Pt catalyst) is a zero order reaction.

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अध्याय 6: Chemical Kinetics - Very short answer questions

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एससीईआरटी महाराष्ट्र Chemistry [English] 12 Standard HSC
अध्याय 6 Chemical Kinetics
Very short answer questions | Q 2

संबंधित प्रश्न

Answer the following in one or two sentences.

What are the units for rate constants for zero-order and second-order reactions if time is expressed in seconds and concentration of reactants in mol/L?


Answer the following in brief.

Derive the integrated rate law for the first-order reaction.


Time required for 100% completion of a zero order reaction is _______.


Rate constant of a reaction is 3.6 × 10–3 s–1. The order of reaction is ______.


For the reaction 2NOBr → 2NO2 + Br2, the rate law is rate = k[NOBr]2. If the rate of a reaction is 6.5 × 10–6 mol L–1 s–1, when the concentration of NOBr is 2 × 10–3 mol L–1. What would be the rate constant of the reaction?


Write units of rate constants for:

  1. First-order reaction
  2. Zero-order reaction

This reaction follows first-order kinetics. The rate constant at particular temperature is 2.303 × 10−2 hour−1. The initial concentration of cyclopropane is 0.25 M. What will be the concentration of cyclopropane after 1806 minutes? (log 2 = 0.3010)


Assertion: rate of reaction doubles when the concentration of the reactant is doubles if it is a first-order reaction.

Reason: rate constant also doubles.


The rate constant of a reaction is 5.8 × 10−2 s−1. The order of the reaction is ____________.


Write the rate law for the following reaction.

A reaction that is second order in NO and first order in Br2.


A first order reaction is 25% completed in 40 minutes. What is the rate constant k tor the reaction?


The activation energy of a reaction is zero. Its rate constant at 280 K is 1.6 × 10-6 s-1, the rate constant at 300 K is ______.


In a first order reaction, the concentration of the reactant is reduced to 25% in one hour. The half-life period of the reaction is ____________.


The rate and the rate constants of the reaction, \[\ce{A + 2B -> C + D}\] are 8 × 10−3 mol dm−3 s−1 and 2 × 10−3 s−1 respectively. The concentrations of A and B are 4 mol dm−3 each. The overall order of the reaction is ____________.


For first order reaction the slope of the graph of log10 [A]t Vs. time is equal to ____________.


In the reaction \[\ce{2SO2 + O2 -> 2SO3}\] the rate of appearance of SO3 is 4 × 10−4 M/s, the rate of disappearance of O2 is ____________.


Reaction given below follows first order kinetics:

\[\ce{2N2O2 -> 4NO2 + O2}\]

Calculate the rate constant of reaction if concentration of N2O2 is 0.05 M and rate of reaction is 1.5 × 10−6 mol L−1 s−1?


For a first order reaction, \[\ce{A -> B}\], if [A] = 1 M and rate is 4 × 10−2 M s−1. What is the rate constant of the reaction?


Which among the following is an example of pseudo first order reaction?


A first order reaction takes 40 minutes for 30% decomposition. What is the half-life of reaction?


A first order reaction takes 40 minutes for 30% completion. Calculate the half-life of reaction.


For the first order reaction A → B, the rate constant is 0.25 s-1, if the concentration of A is reduced to half, the value of rate constant will be ________.


For zero order reaction, when [A]t is plotted against time (t), the slope of the straight line obtained is equal to ______.


Consider the following reaction.

\[\ce{SO2(g) + 1/2 O2(g) <=>[K1] SO3(g)}\]

\[\ce{2SO3(g)<=>[K2] 2SO2(g) + O2(g)}\]

What is the relation between K1 and K2?


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Which of the following correctly represents integrated rate law equation for a first order reaction in a gas phase?


A first order reaction takes 10 minute for 30% completion. Find rate constant of the reaction.


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