मराठी

Explain the Following Terms : Half Life Period of a Reaction (T1/2) - Chemistry

Advertisements
Advertisements

प्रश्न

Explain the following terms :

Half life period of a reaction (t1/2)

 

 
Advertisements

उत्तर

Half life period of a reaction (t1/2)
The half life of a reaction is the time period in which the concentration of a reactant is reduced to one half of its initial concentration.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
2013-2014 (March) Delhi Set 3

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

 

Consider the reaction

`3I_((aq))^-) +S_2O_8^(2-)->I_(3(aq))^-) + 2S_2O_4^(2-)`

At particular time t, `(d[SO_4^(2-)])/dt=2.2xx10^(-2)"M/s"`

What are the values of the following at the same time?

a. `-(d[I^-])/dt`

b. `-(d[S_2O_8^(2-)])/dt`

c. `-(d[I_3^-])/dt`

 

 

The rate constant for the decomposition of hydrocarbons is 2.418 × 10−5 s−1 at 546 K. If the energy of activation is 179.9 kJ/mol, what will be the value of pre-exponential factor?


Activation energy of a chemical reaction can be determined by ______.


Which of the following graphs represents exothermic reaction?

(a)  

(b)  

(c)  


Why in the redox titration of \[\ce{KMnO4}\] vs oxalic acid, we heat oxalic acid solution before starting the titration?


What happens to most probable kinetic energy and the energy of activation with increase in temperature?


The activation energy in a chemical reaction is defined as ______.


The equation k = `(6.5 xx 10^12 "s"^(-1))"e"^(- 26000 " K"//"T")` is followed for the decomposition of compound A. The activation energy for the reaction is ______ kJ mol-1. (Nearest integer) (Given: R = 8.314 JK-1 mol-1)


A schematic plot of ln Keq versus inverse of temperature for a reaction is shown below

The reaction must be:


It is generally observed that the rate of a chemical reaction becomes double with every 10°C rise in temperature. If the generalisation holds true for a reaction in the temperature range of 298 K to 308 K, what would be the value of activation energy (Ea) for the reaction?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×