Advertisements
Advertisements
प्रश्न
Time required for 100% completion of a zero order reaction is _______.
पर्याय
a/k
a/2k
a.k
2k/a
Advertisements
उत्तर
Time required for 100% completion of a zero-order reaction is a/k.
APPEARS IN
संबंधित प्रश्न
Answer the following in one or two sentences.
What are the units for rate constants for zero-order and second-order reactions if time is expressed in seconds and concentration of reactants in mol/L?
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?
Solve
The half-life of a first-order reaction is 1.7 hours. How long will it take for 20% of the reactant to react?
The decomposition of phosphine (PH3) on tungsten at low pressure is a first-order reaction. It is because the
For a first-order reaction, the rate constant is 6.909 min−1 the time taken for 75% conversion in minutes 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 ____________.
A zero order reaction is 20% complete in 20 minutes. Calculate the value of the rate constant. In what time will the reaction be 80% complete?
What is the value of rate constant of first order reaction, if it takes 15 minutes for consumption of 20% of reactants?
A reaction that is of the first order with respect to reactant A has a rate constant 6 min−1. If we start with [A]0 = 0.5 mol dm−3, when would [A] reach the value 0.05 mol dm−3?
The time of completion of 90% of a first order reaction is approximately ____________.
The rate constant of a reaction has same units as the rate of reaction. The reaction is of ____________.
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 ____________.
What is the order of reaction if the unit of rate constant (k) is mol dm−3 s−1?
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 ____________.
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 rate of formation of B at time t for reaction \[\ce{2A -> 3B}\] is equal to ____________.
Which among the following is an example of zero order reaction?
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?
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?
Which is the unit of rate constant for the first-order reaction if time is expressed in seconds?
For zero order reaction, when [A]t is plotted against time (t), the slope of the straight line obtained is equal to ______.
Obtain the expression for half-life and rate constant of the first-order reaction.
Which one of the following reactions is a true first-order reaction?
Which is the relation between half life and rate constant for a zero order?
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?
The half-life of first order reaction is 1.7 hour. What is its rate constant?
