हिंदी

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 उत्तरीय
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
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
2021-2022 (March) Term 2 - Delhi Set 1

संबंधित प्रश्न

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.


A first order reaction takes 20 minutes for 25% decomposition. Calculate the time when 75% of the reaction will be completed.

(Given : log = 2 = 0·3010, log 3 = 0·4771, log 4 = 0·6021)


First order reaction is 50% complete in 1.26 × 1014s. How much time could it take for 100% completion?


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 ______.


The decomposition of formic acid on gold surface follows first-order kinetics. If the rate constant at 300 K is 1.0 × 10−3 s−1 and the activation energy Ea = 11.488 kJ mol−1, the rate constant at 200 K is ______ × 10−5 s−1. (Round off to the Nearest Integer)

(Given R = 8.314 J mol−1 K−1)


The slope in the plot of ln[R] vs. time for a first order reaction is ______.


The slope in the plot of `log  ["R"]_0/(["R"])` Vs. time for a first-order reaction is ______.


The following data were obtained during the decomposition of SO2Cl2 at the constant volume. SO2Cl2 →SO2(g) + Cl2(g)

Time (s) Total Pressure (bar)
0 0.5
100 0.6

Calculate the rate constant of the reaction.


If the half-life (t1/2) for a first order reaction is 1 minute, then the time required for 99.9% completion of the reaction is closest to ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×