Advertisements
Advertisements
प्रश्न
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 ______.
विकल्प
11.55
115.5
1155
1.155
Advertisements
उत्तर
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 1155.
संबंधित प्रश्न
Answer the following in brief.
Derive the integrated rate law for the first-order reaction.
Answer the following in brief.
What is a zeroth-order reaction?
Solve
A first-order reaction takes 40 minutes for 30% decomposition. Calculate its half-life.
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 _______.
Write a mathematical expression for integrated rate law for zero-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?
The rate constant of the first order reaction is 1.386 min–1. Calculate the time required for 80% reactant to decompose?
In a first order reaction \[\ce{x -> y}\]; if k is the rate constant and the initial concentration of the reactant x is 0.1 M, then, 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 second order in NO and first order in Br2.
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?
The integrated rate law is a direct relationship between ____________ and ____________.
What is the value of rate constant of first order reaction, if it takes 15 minutes for consumption of 20% of reactants?
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?
A first order reaction is 25% completed in 40 minutes. What is the rate constant k tor the reaction?
Which among the following reaction is an example of a zero order reaction?
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 ____________.
Which of the following represents the expression for `(3/4)^"th"` life of 1st order reaction?
For the first order reaction, plot of log10 [A]t against time 't' is a straight line with a negative slope equal to ____________.
The time taken for 80% of a first order reaction to be complete is approximately ____________.
A first order reaction takes 40 minutes for 30% completion. Calculate the half-life of reaction.
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?
The integrated rate law is a direct relationship between time and ______
Define the half-life of a first-order reaction.
Half-life of a first order reaction is 30 minutes and initial concentration of reactant is 0.1 M.
What is half-life of the reaction if initial concentration of reactant is doubled?
Which is the relation between half life and rate constant for a zero order?
