Advertisements
Advertisements
प्रश्न
Write order of the following reaction:
\[\ce{2NH_{3(g)} -> N_{2(g)} + 3H_{2(g)}}\]
Advertisements
उत्तर
Decomposition of ammonia (in the presence of Pt catalyst) is a zero order reaction.
APPEARS IN
संबंधित प्रश्न
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.
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?
Derive the integrated rate law for the zeroth order reaction.
Rate constant of a reaction is 3.6 × 10–3 s–1. The order of reaction is ______.
Give one example of a pseudo first-order reaction.
Explain pseudo first order reaction with a suitable example.
Derive an integrated rate law expression for first order reaction: A → B + C
Write units of rate constants for:
- First-order reaction
- Zero-order reaction
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.
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 ____________.
The time of completion of 90% of a first order reaction is approximately ____________.
What is the order of reaction if the unit of rate constant (k) is mol dm−3 s−1?
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 ____________.
Half-life period of a first order reaction, \[\ce{A -> product}\] is 3.0 hours. What is the value of rate constant?
Reaction given below follows first order kinetics:
\[\ce{2N2O2 -> 4NO2 + O2}\]
Calculate the rate constant of reaction if concentration of N2O2 is 0.05 M and rate of reaction is 1.5 × 10−6 mol L−1 s−1?
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?
A first order reaction takes 40 minutes for 30% completion. Calculate the half-life of reaction.
For the first order reaction A → B, the rate constant is 0.25 s-1, if the concentration of A is reduced to half, the value of rate constant will be ________.
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?
Which is the unit of rate constant for the first-order reaction if time is expressed in seconds?
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 integrated rate equation is Rt = log C0 – log Ct, then the straight-line graph is obtained by plotting.
The expression to calculate time required for completion of zero order reaction is ______.
If the rate constant for a first-order reaction is k, the time (t) required for the completion of 99% of the reaction is given by:
Which among the following reactions is an example of pseudo first order reaction?
