Advertisements
Advertisements
Question
Time required for 100% completion of a zero order reaction is _______.
Options
a/k
a/2k
a.k
2k/a
Advertisements
Solution
Time required for 100% completion of a zero-order reaction is a/k.
APPEARS IN
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.
How will you represent the zeroth-order reaction graphically?
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.
Explain pseudo first order reaction with a suitable example.
Derive an integrated rate law expression for first order reaction: A → B + C
Give two examples for zero order reaction.
Identify the order for the following reaction.
Radioactive disintegration of 92U238
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 has a rate constant 0.00813 min-1. How long will it take for 60% completion?
For first order reaction the concentration of reactant decreases from 0.2 to 0.1 M in 100 minutes. What is the rate constant of the reaction?
Which among the following reaction is an example of a zero order reaction?
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 ____________.
Which of the following represents the expression for `(3/4)^"th"` life of 1st order reaction?
For the first order reaction, plot of log10 [A]t against time 't' is a straight line with a negative slope equal to ____________.
For first order reaction the slope of the graph of log10 [A]t Vs. time 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?
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?
Which among the following is an example of pseudo first 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)
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?
Rate constant for zero order reaction is 2 × 10-2 mol L-1 s-1. If the concentration of the reactant after 25 sec. is 0.5 M, what is the initial concentration of reactant?
Obtain the expression for half-life and rate constant of the first-order reaction.
Which among the following reactions is an example of pseudo first order reaction?
What is the rate constant of a first order reaction if 0.08 mole of reactant reduces to 0.02 mole in 23.03 minutes?
