(a) Write the expression for rate law.
(b) Calculate the value of rate constant and specify its units.
(c) What is the initial rate of disappearance of CI2 in experiment 4?
(a) Write the rate law expression. (b) Find the rate constant.
10. 64Cu(T50=12.8h) decays - emission (38%), + emission (19%) and electron capture (43%). Write the decay products and calculate partial half-lives for each of the decay processes.
I. A + B C + E (slow)
A + E D (fast)
II. B + C E (slow)
A + E F (fast)
A + F D (fast)
Q2. Consider the reaction 2A + B C + D:
Following results were obtained in experiments designed to study the rate of reaction:
(M/ min)
(a) Write the rate law for the reaction.
(b) Calculate the value of rate constant for the reaction.
(c) Which of the following possible reaction mechanism is consistent with the rate law found in the
1. A + B C + E (slow)
A + E D ( fast)
II. B + C E (slow)
A + E F (fast)
A + F D (fast)
Initial Order Method:
1. For the reaction 2NO(g)+CI2(g)2NOCI(g) the following date were collected. All the measurement were taken at 263K:
of CI2 (M/min)
(a) Write the expression for rate law.
(b) Calculate the value of rate constant and specify its units.
(c) What is the initial rate of disappearance of CI2 in experiment 4?
9. For the given reactions, A+B Products, following data were obtained
Initial conc. (mol/L). Initial conc. (mol/L) Initial rate [molL-1 s-1]
(a) Write the rate law expression. (b) Find the rate constant.
10. 64Cu(T50=12.8h) decays - emission (38%), + emission (19%) and electron capture (43%). Write the decay products and calculate partial half-lives for each of the decay processes.
Q. For general reaction X Y, the plot of conc. of X vs time is given in the figure. What is the order of the reaction and what are the units of rate constant ?
(a) Zero, Mol L-1 s-1
(b) First, Mol L-1 S-1
(c) First s-1
(d) Zero, L mol -1 S-1
18. Equilibrium constant of some reactions are given
as under :
Initial concentration of the reactants for each
reaction was taken to be equal •
Review the above reaction and indicate the
reactions in which the reactants and products
respectively were of highest concentration
1) d,c 2) c,a
3) a,d 4) b,c
Q. KClO3(s)
If 2 mol KClO3 were used in above reaction, then volume of oxygen form at NTP will be
(1) 22. 4 Lt (2) 53.76 Lt
(3) 67.2 Lt (4) 13.4 Lt