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

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 (April) Term 2 - Delhi Set 1

संबंधित प्रश्न

Time required to decompose SO2Cl2 to half of its initial amount is 60 minutes. If the decomposition is a first order reaction, calculate the rate constant of the reaction.


The following data were obtained during the first order thermal decomposition of SO2Cl2 at a constant volume.

\[\ce{SO2Cl2_{(g)} -> SO2_{(g)} + Cl2_{(g)}}\]

Experiment Time/s–1 Total pressure/atm
1 0 0.5
2 100 0.6

Calculate the rate of the reaction when total pressure is 0.65 atm.


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.


The time required for 10% completion of a first order reaction at 298 K is equal to that required for its 25% completion at 308 K. If the value of A is 4 × 1010 s−1. Calculate k at 318 K and Ea.


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)


Show that the time required for 99.9% completion of a first-order reaction is three times the time required for 90% completion.


In the first order reaction, half of the reaction is complete in 100 seconds. The time for 99% of the reaction to occurs will be


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 ______.


Gaseous cyclobutene isomerizes to butadiene in a first order process which has a 'k' value of 3.3 × 10−4 s−1 at 153°C. The time in minutes it takes for the isomerization to proceed 40% to completion at this temperature is ______. (Rounded-off to the nearest integer)


A definite volume of H2O2 undergoing spontaneous decomposition required 22.8 c.c. of standard permanganate solution for titration. After 10 and 20 minutes respectively the volumes of permanganate required were 13.8 and 8.25 c.c. The time required for the decomposition to be half completed is ______ min.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×