Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

Chemistry Class 12

Class 12 : Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

The document Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes is a part of the Class 12 Course Chemistry Class 12.
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subjective solved problems 

 

Problem : 1 

The rate of change of concentration of C in the reaction 2A+B → 2C+3D was reported as 1.0 mol litre-1 sec-1. Calculate the reaction rate as well as rate of change of concentration of A, B and D. 

Sol. We have,

- Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = rate of reaction

Therefore, Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = 1.0 mol litre-1 sec-1

Therefore, Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = 1.0 mol L-1sec-1 

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = 0.5 mol L-1 sec-1 

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = 1.5 mol L-1 sec-1 

Also,

Q Rate = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

Therefore, Rate = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes × 1 = 0.5 mol L-1 sec-1 

 

Problem : 2 

For the reaction A B → C, the following data were obtained. In the first experiment, when the initial concentrations of both A and B are 0.1 M, the observed initial rate of formation of C is 1 × 10-4 mol litre-1 minute-1. In the second experiment when the initial concentrations of A and B are 0.1 M and 0.3 M, the initial rate is 9.0 × 10-4 mol litre-1 minute-1

(a) Write rate law for this reaction 

(b) Calculate the value of specific rate constant for this reaction. 

Sol. Let Rate = K[A]m[B]n

(a) r1 = 1 × 10-4 = K[0.1]m [0.1]m ...(1)

r2 = 9 × 10-4 = K[0.1]m[0.3]...(2)

r3 = 2.7 × 10-3 = K[0.3]m[0.3]...(3)

By Eqs. (1) and (2),

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

Therefore, n = 2

By Eqs. (2) and (3),

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes m = 1

Therefore, Rate = K[A]1[B]2

(b) Also by Eq. (1), 1 × 10-4 = K[0.1]1 [0.1]2

K = 10-1 = 0.1 L2 mol-2 min-1

 

Problem : 3 

The chemical reaction between K2C2O4 and HgCl2 is ; 

2HgCl2 K2C2O4 → 2KCl 2CO2 Hg2Cl2 

The weights of Hg2Cl2 precipitated from different solutions in given time were taken and expressed as following : 

Let the rate law be written as : r = k[HgCl2]x [K2C2O4]y

1. Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = k[0.0418]x [0.404]y

2. Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = k[0.0836]x[0.404]y

3. Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes= k[0.0836]x [0.202]y

Solving the above equations, we get :

x = 1 and y = 2 ⇒ order of reaction w.r.t x = 1 and y = 2 and overall order is 3.

 

Problem : 4 

The reaction given below, involving the gases is observed to be first order with rate constant
 7.48 × 10-3 sec-1. Calculate the time required for the total pressure in a system containing A at an initial pressure of 0.1 atm to rise to 0.145 atm also find the total pressure after 100 sec. 

2A(g) → 4B(g) C(g) 

 Sol.  2A(g) → 4B(g) C(g)

initial P0 =0 

at time t P0 - P¢ 2P¢ P¢/2

Ptotal = P0 - P¢  2P¢ P¢/2 = P0Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

P¢ = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes(0.145 - 0.1) = 0.03 atm

k = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

t = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

t = 23.84 sec 

Also, k = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

7.48 × 10-3 = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

0.1/0.1 - P¢ = 5

P¢ = 0.08

Ptotal = 0.1 Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes(0.080)Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes 0.22 atm.
 

Problem : 5  

 The net rate of reaction of the change : 

[Cu(NH3)4] H2O Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes [Cu(NH3)3H2O] 2  NH3 is, 

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes [Cu(NH3)4] - 3.0 × 105 [Cu(NH3)3H2O] 2  [NH3

calculate : 

(i) rate expression for forward and backward reactions. 

(ii) the ratio of rate constant for forward and backward reactions. 

(iii) the direction of reaction in which the above reaction will be more predominant. 

 Sol. (i) Rate of forward reaction = 2.0 × 10-4 [Cu(NH3)4] [H2O]

Rate of backward reaction = 3.0 × 105 [Cu(NH3)3H2O] 2  [NH3]

(ii) Also, Kf = 2.0 × 10-4

Kb = 3.0 × 105

Therefore, Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = 6.6 × 10-10

(iii) More predominant reaction is backward reaction. 

 

Problem : 6 

The rate law for the decomposition of gaseous N2O5

N2O5(g) → 2NO2(g) Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev NotesO2(g) 

is observed to be

r = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = k[N2O5]

A reaction mechanism which has been suggested to be consistent with this rate law is

N2O5(g) Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes NO2(g) NO3(g) (fast equilibrium)

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev NotesSolved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes NO2(g) NO(g) O2(g) (slow)

NO(g) NO3(g) Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes 2NO2(g) (fast)

Show that the mechanism is consistent with the observed rate law.

Since the slow step is the rate determining step, hence

r = k1[NO2] [NO3] ...(1)

and from the fast equilibrium step,

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

Thus, [NO2] [NO3] = K[N2O5] ...(ii)

Using (ii) in (i), we get :

r = k1K[N2O5] = k[N2O5] where k = k1K

This shows that the mechanism is consistent with the observed rate law.

 

Problem : 7 

The half life of first order decomposition of nitramide is 2.1 hour at 15°C. 

NH2NO2(aq) → N2O(g) H2O (l) 

If 6.2 gm of NH2NO2 is allowed to decompose, find :

(a) time taken for nitramide to decompose 99%; 

(b) volume of dry N2O gas produced at this point at STP. 

Sol. (a) Using first order kinetics, we have :

kt = 2.303 log10Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = 2.303 logSolved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes ⇒ t = 13.96 hours

(b)  6.2 gm of NH2NO2≡ 0.1 mol

and 1 mole NH2NO2 º 1 mole of N2O

As 99% of NH2NO2 is decomposed

⇒ 0.099 mol of NH2NO2 is decomposed

0.099 mol of N2O are produced º 22.4 × 0.099 = 2.217 L of N2O at STP.

 

Problem : 8 

The reaction A OH- → Products, obeys rate law expression as, 

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

If initial concentrations of [A] and [OH-] are 0.002 M and 0.3 M respectively and if it takes 30 sec for 1% A to react at 25°C, calculate the rate constant for the reactions. 

 Sol.  A OH- → Products

t = 0 0.002 0.3

t = 30 Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev NotesSolved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

Using Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Noteslog10Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

K = 1.12 × 10-3 L mol-1 sec-1 

 

Problem : 9 

A certain reaction A B → products ; is first order w.r.t. each reactant with k = 5.0 × 10-3 M-1s-1. Calculate the concentration of A remaining after 100s if the initial concentration of A was 0.1 M and that of B was 6.0 M. State any approximation made in obtaining your result. 

Sol. A B → products

Given : Rate = k[A][B] (2nd Order reaction)

Now, since [B] >> [A], [B] can be assumed to remain constant throughout the reaction. Thus, the rate law for the reaction, becomes :

Rate » k0[A] where k0 = k[B] = 5.0 × 10-3 × 6.0 s-1 = 3.0 × 10-2 s-1

Thus, the reaction is now of first order.

Using, 2.303 log10Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

⇒ 2.303 log10Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes
 ⇒ Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes [Therefore, logex = 2.303 log10x]

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

 

Problem : 10 

Dimethyl ether decomposes according to the following reaction : 

CH3 - O - CH3(g) → CH4(g) CO(g) H2(g) 

At a certain temperature, when ether was heated in a closed vessel, the increase in pressure with time was noted down. 

(i) Show that the reaction is first order. 

(ii) Compute the pressure of CO(g) after 25 minutes. 

Sol.  CH3 - O - CH3 (g) → CH4(g) CO(g) H2(g) (all are gases)

 ⇒ Pt = P0 2x

⇒ x = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes(Pt - P0)

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

Now find k1, k2 and k3 using the first order kinetics

k t = 2.303 log10Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

k1 = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Noteslog10Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = 0.0129 min-1

k2 = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Noteslog10 Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = 0.0122 min-1

k3 = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Noteslog10Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = 0.0123 min-1

As k1 ~ k2 ~k3, the reaction is first order.

kaverage = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = 0.0127 min-1

PCO = x = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

Find P after t = 25 min using first order kinetics with k = 0.0127 min-1

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

⇒ Pt = 648.46 mm ⇒ x = 114.23 mm

 

Problem : 11 

The decomposition of N2O5 according to following reaction is first order reaction : 

2N2O5(g) → 4NO2(g) O2 (g) 

After 30 min. from start of the decomposition in a closed vessel, the total pressure developed is found to be 284.5 mm of Hg and on complete decomposition, the total pressure is 584.5 mm of Hg. Calculate the rate constant of the reaction. 

Sol.  2N2O5(g) → 4NO2(g) O2(g)

 P0 : initial pressure ; Let Pt : pressure at 30 min and P¥ : pressure at the end of decomposition.

⇒ Pt = P0 3x ⇒ x = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes(Pt - P0)

and P¥ = 2P0Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes ⇒ P0 = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

For the first order kinetics

keff t = 2.303 log10Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

A0 : initial concentration ; A : final concentration

Now Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes ⇒ Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

⇒ keff = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes × 2.303 log10Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes × Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = 5.204 × 10-3 min-1

k for the reaction = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = 2.602 × 10-3 min-1

 

Problem : 12 

The gas phase decomposition of N2O5 to NO2 and O2 is monitored by measurement of total pressure. The following data are obtained. 

P total(atm)

0.154

0.215

0.260

0.315

0.346

Time (sec)

1

52

103

205

309

Find the average rate of disappearance of N2O5 for the time interval between each interval and for the total time interval. [Hint : Integrated rate law is NOT to be used] 

Sol.  2N2O5(g) → 4NO2(g) O2(g)

Initial Pressure (at t = 0) P0 0 0

At equilibrium P0 - 2x 4x x

Now: Pt = (P0 - 2x) 4x x ⇒ x = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

Thus, Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes where Pt 2 and Pt 1 are the total pressures at time instants t2 and t1 (t2 > t1) respectively

 

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

 

Problem : 13 

5 ml of ethylacetate was added to a flask containing 100 ml f 0.1 N HCl placed in a thermostat maintained at 30°C. 5 ml of the reaction mixture was withdrawn at different intervals of time and after chilling, titrated against a standard alkali. The following data were obtained : 

Show that hydrolysis of ethyl acetate is a first order reaction. 

Sol. The hydrolysis of ethyl acetate will be a first order reaction if the above data confirm to the equation.

k1 = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

Where V0, Vt and V¥ represent the volumes of alkali used at the commencement of the reaction, after time t and at the end of the reaction respectively, Hence

V - V0 = 21.05 - 9.62 = 11.43

Time V- Vt k1 

75 min 21.05 - 12.10 = 8.95 Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = 0.003259 min-1

119 min 21.05 - 13.10 = 7.95 Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = 0.003051 min-1

183 min 21.05 - 14.75 = 6.30 Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = 0.003254 min-1

A constant value of k shows that hydrolysis of ethyl acetate is a first order reaction.

Problem : 14 

The optical rotations of sucrose in 0.5N HCl at 35°C at various time intervals are given below. Show that the reaction is of first order : 

 Sol. The inversion of sucrose will be first order reaction if the above data confirm to the equation, k1 = 

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev NoteslogSolved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

Where r0, rt and r¥ represent optical rotations initially, at the commencement of the reaction after time t and at the completion of the reaction respectively

In the case a0 = r0 - r¥ = 32.4 - (-11.1) = 43.5

The value of k at different times is calculated as follows :

Time rt rt - r¥  k

10 min 28.8 39.9 Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = 0.008625 min-1

20 min 25.5 36.6 Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = 0.008625 min-1

30 min 22.4 33.5 Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = 0.008694 min-1

40 min 19.6 30.7 Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = 0.008717 min-1 

The constancy of k1 indicates that the inversion of sucrose is a first order reaction.

 

Problem : 15 

The hydrolysis of ethyl acetate 

CH3COOC2H5 +H2O Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes CH3COOH +C2H5OH 

in aqueous solution is first order with respect to ethyl acetate. Upon varying the pH of the solution the first order rate constant varies as follows. 

pH 3 2 1 

k×10-4s-1 1.1 11 110 

what is the order of the reaction with respect of H  and the value of the rate constant? 

Sol. Rate = k[CH3COOC2H5] a[H ]b

[H ] is constant through out the reaction

k1 = k[H ]b

Hence, Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev NotesSolved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

b = 1

k1= k[H ]

1.1 × 10-4 = k(10-3) ⇒ k = 1.1 × 10-1 dm3 mol-1 sec-1 

 

Problem : 16 

Two I order reactions having same reactant concentrations proceed at 25°C at the same rate. The temperature coefficient of the rate of the first reaction is 2 and that of second reaction is 3. Find the ratio of the rates of these reactions at 75°C 

 Sol. For I order reaction r1 = K[C]1

Therefore, Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = temperature coefficient

Let temperature co-efficient be a

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev NotesSolved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

Therefore, Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

Similarly, Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

For I reaction (R75)I = 25 × (R25)I

For II reaction (R75)II = 35 × (R25)II
 Therefore, Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = 7.9537 [Therefore, (R25)I = (R25)II]

 

Problem : 17 

For the reaction : 

C2H5I +OH- → C2H5OH+ I- 

the rate constant was found to have a value of 5.03 × 10-2 mol-1 dm3 s-1 at 289 K and 6.71 mol-1 dm3 s-1 at 333 K. What is the rate constant at 305 K. 

 Sol. k2 = 5.03 × 10-2 mol-1 dm3 s-1 at T2 = 289 K

k1 = 6.71 mol-1 dm3 s-1 at T1 = 333 K

logSolved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

On solving we get, Ea = 88.914 kJ

The rate constant at 305 K may be determined from the relation :

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

log Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

On solving we get, k1 = 0.35 mol-1 dm3 s-1 

 

Problem : 18
A secondary alkyl halide (RX) is hydrolysed by alkali simultaneously by SN1 and SN2 pathways. A plot of Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes vs [OH-] is a straight line with slope equal to 1.0 × 10-3 mol-1 L min-1 and intercept equal to 2.0 × 10-3 min-1. Calculate initial rate of consumption of RX when [RX] = 0.5 M and [OH-] = 1.0 M.  

Sol. 1.5 × 10-3 mol L-1 min-1

For SN1 pathway:

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes K1 = 1st order rate constant

For SN2 pathway:

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = K2[RX][OH-] K= 2nd order rate constant

Thus, the overall rate of consumption of RX is as given below:

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes= K1[RX] K2[RX][OH-]

or -Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = K1 K2[OH-]

According to this equation as plot of -Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes vs [OH|-] will be a straight line of the slope equal to K2 and intercept equal to K1 . Thus, from question.

K1 = 2.0 ×10-3 min-1

K2 = 1.0 ×10-3 min-1 L min-1

Thus, -Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = 2.0 × 10-3 × 0.5 1.0 × 10-3 × 0.5 × 1

= 1 × 10-3 0.5 × 10-3

1.5 × 10-3 mol L-1 min-1 

 

Problem : 19 

A polymerisation reaction is carried out at 2000 K and the same reaction is carried out at 4000 K with catalyst. The catalyst increases the potential barrier by 20 KJ but the rate of the reaction remains same. Find activation energy of the reaction. 

(Assuming all other parameters to be same.) 

Sol. 0020 

k = Ae-Ea/R×2000 = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

2Ea = Ea 20

Ea = 20 kJ


Problem : 20 

Consider the following first order parallel reaction. Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

The concentration of C after time t is :

Sol. Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = 3k[A] 5k[A] = 8kA

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = 16 kA

A = A0 e-16 kt 

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes, Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes = 9kA = 9kA0 e-16kt

B = Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

Similarly

Solved Problems - Chemical Kinetics, Class 12, Chemistry | EduRev Notes

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