Advertisements
Advertisements
Question
Answer the following in brief.
How will you represent the zeroth-order reaction graphically?
Advertisements
Solution
Graphical representation of zero-order reactions: The rate law is given as

which is a straight line given by y = mx + c.
A plot of `["A"]_"t"` versus t is a straight line.

[A]t vs t for zero-order reaction
The slope of the straight line is -k and its intercept on the y-axis is `["A"]_0`.
APPEARS IN
RELATED QUESTIONS
Answer the following in brief.
Obtain the relationship between the rate constant and half-life of a first-order reaction.
Solve
The half-life of a first-order reaction is 1.7 hours. How long will it take for 20% of the reactant to react?
Time required for 100% completion of a zero order reaction is _______.
For the reaction 2NOBr → 2NO2 + Br2, the rate law is rate = k[NOBr]2. If the rate of a reaction is 6.5 × 10–6 mol L–1 s–1, when the concentration of NOBr is 2 × 10–3 mol L–1. What would be the rate constant of the reaction?
Explain pseudo first order reaction with a suitable example.
Derive an integrated rate law expression for first order reaction: A → B + C
For a first-order reaction \[\ce{A -> B}\] the rate constant is x min−1. If the initial concentration of A is 0.01 M, the concentration of A after one hour is given by the expression.
For a first order reaction \[\ce{A ->Product}\] with initial concentration x mol L−1, has a half life period of 2.5 hours. For the same reaction with initial concentration `("x"/2)` mol L−1 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 following reactions follow zero order kinetics, EXCEPT ____________.
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?
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 ____________.
Half-life period of a first order reaction, \[\ce{A -> product}\] is 3.0 hours. What is the value of rate constant?
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 ____________.
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 ____________.
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 certain zero order reaction has rate constant 0.025 M s-1. What will be the concentration of reactant 'A' after 15 seconds, if initial concentration is 0.50 M?
The integrated rate equation is Rt = log C0 – log Ct, then the straight-line graph is obtained by plotting.
Which one of the following reactions is a true first-order reaction?
Which among the following reactions is an example of pseudo first order reaction?
Which of the following is correct for a 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?
The half-life of first order reaction is 1.7 hour. What is its rate constant?
For a first order reaction, the plot of log k against 1/T is a straight line. The slope of the line is equal to ______.
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.
