Advertisements
Advertisements
Question
Answer the following in brief.
What are the units of the rate constant?
Advertisements
Solution
The unit of the rate constant for the zero-order reaction is mol dm-3 s-1.
APPEARS IN
RELATED QUESTIONS
Answer the following in one or two sentences.
Write the relationships between rate constant and half-life of the first order and zeroth-order reactions.
Answer the following in brief.
How will you represent the zeroth-order reaction graphically?
How will you represent first order reactions graphically.
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?
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.
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
The rate constant of a reaction is 5.8 × 10−2 s−1. The order of the reaction is ____________.
Write the rate law for the following reaction.
A reaction that is `3/2` order in x and zero order in y.
Give two examples for zero order reaction.
A first order reaction has rate constant 1 × 10−2 s−1. What time will, it take for 20 g or reactant to reduce to 5 g?
A first order reaction is 25% completed in 40 minutes. What is the rate constant k tor the reaction?
If [A] is the concentration of A at any time t and [A]0 is the concentration at t = 0, then for the 1st order reaction, the rate equation can be written as ____________.
The activation energy of a reaction is zero. Its rate constant at 280 K is 1.6 × 10-6 s-1, the rate constant at 300 K 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 ____________.
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 integrated rate equation for first-order reaction, A → product, 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 ____________.
Which of the following represents the expression for `(3/4)^"th"` life of 1st order reaction?
The order of the reaction for which the unit of rate constant is s−1 is ____________.
A first order reaction is 75% completed in 60 minutes, the time required for it's 50% completion is ____________.
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?
Half-life of first-order reaction \[\ce{X -> Y + Z}\] is 3 minutes. What is the time required to reduce the concentration of 'X' by 90 % of it's initial concentration?
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?
