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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Answer the following in brief. What is a zeroth-order reaction?

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प्रश्न

Answer the following in brief.

What is a zeroth-order reaction?

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उत्तर

Reactions in which the rate is independent of the reactant concentration are zeroth-order reaction.

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पाठ 6: Chemical Kinetics - Exercises [पृष्ठ १३७]

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बालभारती Chemistry [English] Standard 12 Maharashtra State Board
पाठ 6 Chemical Kinetics
Exercises | Q 3. xiii. a. | पृष्ठ १३७

संबंधित प्रश्‍न

Answer the following in brief.

Give one example and explain why it is pseudo-first-order.


Write order of the following reaction:

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


Derive an integrated rate law expression for first order reaction: A → B + C


The rate constant of the first order reaction is 1.386 min–1. Calculate the time required for 80% reactant to decompose?


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)


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 `3/2` order in x and zero order in y.


What is the value of rate constant of first order reaction, if it takes 15 minutes for consumption of 20% of reactants?


How long would it take to electroplate a spoon with 0.1 mol of silver (108 g/mol) at a constant current of 2.0 A using AgNO3?


A first order reaction has rate constant 1 × 10−2 s−1. What time will, it take for 20 g or reactant to reduce to 5 g?


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


Which among the following reaction is an example of a zero order reaction?


If [A]0 is the initial concentration, then the half life of zero order reaction is ____________.


Which of the following represents the expression for `(3/4)^"th"` life of 1st order reaction?


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


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


The slope of a graph, log [A]t versus 't' for a first order reaction is −2.5 × 10−3 s−1. The rate constant for the reaction is ____________.


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?


0.0210 M solution of N2O5 is allowed to decompose at 43°C. How long will it take to reduce to 0.0150 M?
(Given k = 6.0 × 10−4 sec−1)


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 ________.


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?


If the rate constant for a first-order reaction is k, the time (t) required for the completion of 99% of the reaction is given by:


The rate constant and half-life of a first order reaction are related to each other as ______.


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


Which is the relation between half life and rate constant for a zero order?


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:


If the half-life of a first-order reaction is 10 minutes, find the time required to decrease the concentration of the reactant from 0.08 M to 0.02 M.


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