Advertisements
Advertisements
प्रश्न
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
विकल्प
(2.5 × 2) hours
`(2.5/2)` hours
2.5 hours
Without knowing the rate constant, t1/2 cannot be determined from the given data
उत्तर
2.5 hours
APPEARS IN
संबंधित प्रश्न
For a first-order reaction \[\ce{A -> B}\] the rate constant is x min−1. If the initial concentration of A is 0.01 M, the concentration of A after one hour is given by the expression.
Write the rate law for the following reaction.
A reaction that is second order in NO and first order in Br2.
The time of completion of 90% of a first order reaction is approximately ____________.
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 ____________.
The order of the reaction for which the unit of rate constant is s−1 is ____________.
Half-life period of a first order reaction, \[\ce{A -> product}\] is 3.0 hours. What is the value of rate constant?
A first order reaction is 75% completed in 60 minutes, the time required for it's 50% completion 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?
Obtain the expression for half-life and rate constant of the first-order reaction.
Calculate half-life of a first order reaction in minute if the rate constant is 1 × 10-3 s-1.
