English

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

Advertisements
Advertisements

Question

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

Options

  • a/k

  • a/2k

  • a.k

  • 2k/a

MCQ
Fill in the Blanks
Advertisements

Solution

Time required for 100% completion of a zero-order reaction is a/k.

shaalaa.com
  Is there an error in this question or solution?
Chapter 6: Chemical Kinetics - Multiple choice questions

APPEARS IN

SCERT Maharashtra Chemistry [English] Standard 12 Maharashtra State Board
Chapter 6 Chemical Kinetics
Multiple choice questions | Q 2

RELATED QUESTIONS

Answer the following in brief.

Obtain the relationship between the rate constant and half-life of a first-order reaction.


Answer the following in brief.

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


Answer the following in brief.

What is a zeroth-order reaction?


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? 


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


Write order of the following reaction:

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


Explain pseudo first order reaction with a suitable example.


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


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)


For a first-order reaction, the rate constant is 6.909 min−1 the time taken for 75% conversion in minutes 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 ____________.


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?


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.


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 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 ____________.


Which among the following is an example of zero order 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)


What is the unit of rate constant for the zero order reaction?


The expression to calculate time required for completion of zero order reaction is ______.


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:


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


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


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?


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


The half-life of first order reaction is 1.7 hour. What is its rate constant?


The plot that represents the zero order reaction is:


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×