Advertisements
Advertisements
प्रश्न
Rate constant of a reaction is 3.6 × 10–3 s–1. The order of reaction is ______.
विकल्प
first
second
third
zero
Advertisements
उत्तर
Rate constant of a reaction is 3.6 × 10–3 s–1. The order of reaction is first.
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?
Derive the integrated rate law for the zeroth order reaction.
The rate of catalysed reaction is large than the uncatalysed reaction as _______.
Give one example of a pseudo first-order reaction.
Write order of the following reaction:
\[\ce{2NH_{3(g)} -> N_{2(g)} + 3H_{2(g)}}\]
What is half life of first order reaction if time required to decrease concentration of reactants from 0.8 M to 0.2 M is 12 hours?
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?
Write units of rate constants for:
- First-order reaction
- Zero-order reaction
A zero-order reaction \[\ce{X -> Product}\], with an initial concentration 0.02 M has a half-life of 10 min. if one starts with concentration 0.04 M, then the half-life is
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 ____________.
Describe the graphical representation of first order reaction.
What is the value of rate constant of first order reaction, if it takes 15 minutes for consumption of 20% of reactants?
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 rate constant of a first order reaction is 3 × 10−6 per s. If the initial concentration is 0.10 mol dm−3, the initial rate of reaction is ____________.
The integrated rate equation for first-order reaction, A → product, is ______.
The rate and the rate constants of the reaction, \[\ce{A + 2B -> C + D}\] are 8 × 10−3 mol dm−3 s−1 and 2 × 10−3 s−1 respectively. The concentrations of A and B are 4 mol dm−3 each. The overall order of the reaction is ____________.
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 time taken for 80% of a first order reaction to be complete is approximately ____________.
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?
Which one of the following reactions is a true first-order reaction?
Which of the following reactions is not of the first order?
Which among the following reactions is an example of pseudo first order reaction?
A radioactive isotope decayed to 17/32 of its original mass after 60 minutes. Find the half-life of this radioisotope.
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?
