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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

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

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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

Solve

A first-order reaction takes 40 minutes for 30% decomposition. Calculate its half-life.


Answer the following in brief.

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


The rate of catalysed reaction is large than the uncatalysed reaction as _______.


Give one example of a pseudo first-order reaction.


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


The decomposition of phosphine (PH3) on tungsten at low pressure is a first-order reaction. It is because the


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


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.


A first order reaction has a rate constant 0.00813 min-1. How long will it take for 60% completion?


The rate of the reaction \[\ce{A + B -> C}\] is 3.6 × 10−2 mol dm−3 s−1 when [A] = 0.3 mol dm−3 and [B] = 0.2 mol dm−3. Calculate k if reaction is first order in A and zero order in B.


A reaction that is of the first order with respect to reactant A has a rate constant 6 min−1. If we start with [A]0 = 0.5 mol dm−3, when would [A] reach the value 0.05 mol dm−3?


The time of completion of 90% of a first order reaction is approximately ____________.


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


For the first order reaction, plot of log10 [A]t against time 't' is a straight line with a negative slope equal to ____________.


The rate of formation of B at time t for reaction \[\ce{2A -> 3B}\] is equal to ____________.


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


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


The time required to decompose SO2Cl2 to half of it's initial amount is 60 minutes. Calculate rate constant for this first order 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 ________.


Which is the unit of rate constant for the first-order reaction if time is expressed in seconds?


The integrated rate equation is Rt = log C0 – log Ct, then the straight-line graph is obtained by plotting.


The integrated rate law is a direct relationship between time and ______


Which of the following reactions is not of the first order?


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


Which of the following is correct for a first-order reaction?


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?


A radioactive isotope decayed to 17/32 of its original mass after 60 minutes. Find the half-life of this radioisotope.


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