Advertisements
Advertisements
प्रश्न
Write units of rate constants for:
- First-order reaction
- Zero-order reaction
Advertisements
उत्तर
Units of rate constants:
- First-order reaction: s–1, min–1 or hour–1
- Zero-order reaction: mol dm−3 s–1
APPEARS IN
संबंधित प्रश्न
Answer the following in brief.
Obtain the relationship between the rate constant and half-life of a first-order reaction.
What are pseudo-first-order reactions?
Answer the following in brief.
Derive the integrated rate law for the first-order reaction,
\[\ce{A_{(g)} -> B_{(g)} + C_{(g)}}\] in terms of pressure.
Answer the following in brief.
What is a zeroth-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 _______.
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.
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 with the help of a potential energy diagram that the catalyst increases the rate of the reaction.
This reaction follows first-order kinetics. The rate constant at particular temperature is 2.303 × 10−2 hour−1. The initial concentration of cyclopropane is 0.25 M. What will be the concentration of cyclopropane after 1806 minutes? (log 2 = 0.3010)
Describe the graphical representation of first order reaction.
A first order reaction is 40% complete in 50 minutes. Calculate the value of the rate constant. In what time will the reaction be 80% complete?
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?
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 slope of a graph, log [A]t versus 't' for a first order reaction is −2.5 × 10−3 s−1. The rate constant for the reaction is ____________.
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?
A first order reaction is 50% completed in 16 minutes. The percentage of reactant that will react in 32 minutes is ____________.
The time required to decompose SO2Cl2 to half of it's initial amount is 60 minutes. Calculate rate constant for this first order reaction.
A first order reaction, A → B takes 100 minutes for it's 90% completion. What is the rate constant of reaction?
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?
The expression to calculate time required for completion of zero order reaction is ______.
The integrated rate law is a direct relationship between time and ______
Which of the following reactions is not of the first order?
What are integrated rate laws?
Which of the following equations exhibits the integrated rate law equation for first order reaction?
