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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

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

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प्रश्न

Write order of the following reaction:

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

एका वाक्यात उत्तर
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उत्तर

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

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पाठ 6: Chemical Kinetics - Very short answer questions

संबंधित प्रश्‍न

Answer the following in brief.

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


Answer the following in brief.

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

\[\ce{A_{(g)} -> B_{(g)} + C_{(g)}}\] in terms of pressure.


In a first-order reaction, the concentration of the reactant decreases from 20 mmol dm−3 to 8 mmol dm−3 in 38 minutes. What is the half-life of reaction? 


Answer the following in brief.

What are the units of the rate constant?


For first order reaction, the rate constant for the decomposition of N2O5 is 6 × 10–4 s –1. The half-life period for decomposition in seconds is ______.


Give one example of a pseudo first-order reaction.


In a first order reaction \[\ce{x -> y}\]; if k is the rate constant and the initial concentration of the reactant x is 0.1 M, then, the half life is


If 75% of a first order reaction was completed in 60 minutes, 50% of the same reaction under the same conditions would be completed in ____________.


The integrated rate law is a direct relationship between ____________ and ____________.


The following reactions follow zero order kinetics, EXCEPT ____________.


In a first order reaction, the concentration of the reactant, decreases from 0.8 mol dm−3 to 0.4 mol dm−3 in 15 minutes. The time taken for the concentration to change from 0.1 mol dm−3 to 0.025 mol dm−3 is ____________.


The integrated rate equation for first-order reaction, A → product, is ______.


Half-life period of a first order reaction, \[\ce{A -> product}\] is 3.0 hours. What is the value of rate constant?


A first order reaction is 75% completed in 60 minutes, the time required for it's 50% completion 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?


The half-life of a first order reaction is 6.0 hour. How long will it take for the concentration of reactant to decrease from 0.4 M to 0.12 M?


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?


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.


A certain zero order reaction has rate constant 0.025 M s-1. What will be the concentration of reactant 'A' after 15 seconds, if initial concentration is 0.50 M?


Half-life of first order reaction is 20 minutes. What is the time taken to reduce the initial concentration of the reactant to `1/10`th?


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


Calculate half-life of a first order reaction in minute if the rate constant is 1 × 10-3 s-1.


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


The plot that represents the zero order reaction is:


Which of the following equations exhibits the integrated rate law equation for first order reaction?


Calculate half life of reaction if rate constant of first order reaction is 0.0178 minute−1.


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