मराठी

Observe the graph shown in figure and answer the following questions: (a) What is the order of the reaction? (b) What is the slope of the curve? (c) Write the relationship between k and t1/2 (half - Chemistry

Advertisements
Advertisements

प्रश्न

Observe the graph shown in figure and answer the following questions:

  1. What is the order of the reaction?
  2. What is the slope of the curve?
  3. Write the relationship between k and t1/2 (half life period).
लघु उत्तर
Advertisements

उत्तर

  1. The order of the reaction is first-order reaction.
  2. Slope of the curve = `k/2.303`
  3. The half-life for the first-order reaction is given by t1/2 = `0.693/k`
shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
2021-2022 (March) Term 2 - Delhi Set 1

संबंधित प्रश्‍न

Sucrose decomposes in acid solution into glucose and fructose according to the first order rate law with `t_(1/2)` = 3 hours. What fraction of the sample of sucrose remains after 8 hours?


The rate constant for a first order reaction is 60 s−1. How much time will it take to reduce the initial concentration of the reactant to its `1/16`th value?


For the decomposition of azoisopropane to hexane and nitrogen at 543 K, the following data are obtained.

t (sec) P(mm of Hg)
0 35.0
360 54.0
720 63.0

Calculate the rate constant.


Following data are obtained for reaction :

N2O5 → 2NO2 + 1/2O2

t/s 0 300 600
[N2O5]/mol L–1 1.6 × 10-2 0.8 × 10–2 0.4 × 10–2

1) Show that it follows first order reaction.

2) Calculate the half-life.

(Given log 2 = 0.3010, log 4 = 0.6021)


State a condition under which a bimolecular reaction is kinetically first order reaction.


With the help of an example explain what is meant by pseudo first order reaction.


The reaction X → product

Follow first order of kinetics. In 40 minutes the concentration of 'X' changes from 0.1 m to 0.025. M. The rate of reaction when concentration of X is 0.01 m is.


In a first order reaction the concentration of reactants decreases from 400mol L-1 to 25 mol L-1 in 200 seconds. The rate constant for the reaction is ______.


For a first order reaction, the ratio of the time for 75% completion of a reaction to the time for 50% completion is ______. (Integer answer)


What is the rate constant?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×