English

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

Advertisements
Advertisements

Question

Answer the following in brief.

What is a zeroth-order reaction?

One Line Answer
Advertisements

Solution

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

shaalaa.com
  Is there an error in this question or solution?
Chapter 6: Chemical Kinetics - Exercises [Page 137]

APPEARS IN

Balbharati Chemistry [English] Standard 12 Maharashtra State Board
Chapter 6 Chemical Kinetics
Exercises | Q 3. xiii. a. | Page 137

RELATED QUESTIONS

Answer the following in one or two sentences.

How do the half-lives of the first order and zero-order reactions change with the initial concentration of reactants?


Answer the following in brief.

What are the units of the rate constant?


Derive the integrated rate law for the zeroth order reaction. 


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.


Write a mathematical expression for integrated rate law for zero-order reaction.


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


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 ____________.


Write the rate law for the following reaction.

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


Give two examples for zero order reaction.


The time for half change in a first order decomposition of a substance A is 60 seconds. Calculate the rate constant. How much of A will be left after 180 seconds?


A first order reaction is 40% complete in 50 minutes. Calculate the value of the rate constant. In what time will the reaction be 80% complete?


The rate constant of a reaction has same units as the rate of reaction. The reaction is of ____________.


A first order reaction completes its 10% in 20 minutes, then the time required to complete its 19% is ____________.


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 ____________.


If time required to decrease concentration of reactant from 0.8 M to 0.2 M is 12 hours, the half life of this first order reaction is ____________.


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 ____________.


For a zero order reaction, the plot of [A]t vs t is linear. The slope of the line is equal to ____________.


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?


Define the half-life of a first-order reaction.


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 ______.


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


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?


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


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×