Advertisements
Advertisements
प्रश्न
Answer the following in brief.
How will you represent the zeroth-order reaction graphically?
Advertisements
उत्तर
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
संबंधित प्रश्न
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?
What are pseudo-first-order reactions?
Answer the following in brief.
Derive the integrated rate law for the first-order reaction.
Answer the following in brief.
What are the units of the rate constant?
Answer the following in brief.
Give one example and explain why it is pseudo-first-order.
Time required for 100% completion of a zero order reaction is _______.
Explain pseudo first order reaction with a suitable example.
The rate constant of the first order reaction is 1.386 min–1. Calculate the time required for 80% reactant to decompose?
Derive an expression for the relation between half-life and rate constant for first-order reaction.
The decomposition of phosphine (PH3) on tungsten at low pressure is a first-order reaction. It is because the
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 ____________.
The following reactions follow zero order kinetics, EXCEPT ____________.
A first order reaction is 25% completed in 40 minutes. What is the rate constant k tor the reaction?
The time of completion of 90% of a first order reaction is approximately ____________.
Which among the following reaction is an example of a zero order reaction?
If [A]0 is the initial concentration, then the half life of zero order reaction 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 ____________.
What is the order of reaction if the unit of rate constant (k) is mol dm−3 s−1?
For the first order reaction, plot of log10 [A]t against time 't' is a straight line with a negative slope equal to ____________.
Half-life period of a first order reaction, \[\ce{A -> product}\] is 3.0 hours. What is the value of rate constant?
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 initial concentration of reactant (A) is 2 mol dm−3 for a zero order reaction \[\ce{A -> B}\]. The rate constant (k) is related to its half-life `("t"_(1//2))` by the equation:
A first order reaction takes 40 minutes for 30% decomposition. What is the half-life of reaction?
What is the unit of rate constant for the zero order reaction?
The integrated rate law is a direct relationship between time and ______
Define the half-life of a first-order reaction.
The rate constant and half-life of a first order reaction are related to each other as ______.
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?
The half-life period for the first order reaction is 1.7 hrs. How long will it take for 20% of the reactant to disappear?
