Q.

Match the rate expressions in LIST-I for the decomposition of NH3 with the corresponding 
profiles provided in LIST-II.1, k and k1   are constants having appropriate units.

 

LIST-I

 

LIST-II

(I)

rate=k[NH3]1+k1[NH3]

under all possible initial concentrations

of NH3

 

(P)

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(II)

rate=k[NH3]1+k1[NH3]

under high initial concentrations of NH3 such that k1NH3>>1

(Q)

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(III)

 rate=k[NH3]1+k1[NH3]

NH3under high initial concentrations of such that  k1[NH3]<<1

 

(R)

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(IV)

rate=k[NH3]21+k1[NH3]

under low initial concentrations of NH3  such that k1[NH3]<<1

 

(S)

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(T)

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a

IR,IIT,IIIP,IV-Q

b

IR,IIP,IIIT,IV-Q

c

IS,IIP,IIIQ,IV-T

d

IT,IIS,IIIP,IV-R

answer is B.

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Detailed Solution

I  - At low concentrations of NH3 - first order
 At high concentrations of NH3  - 2nd order
II -  when k1[NH3]>>1 , it follows zero order kinetics

rate=k[NH3]k1[NH3]=constant

III – when k1[NH3]<<1 , it follows first order kinetics

rate=k[NH3]
 IV -  rate=k[NH3]21+k1[NH3]
 When  k1[NH3]<<1 , it follows 2nd order kinetics

rate=k[NH3]2
  
 

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Match the rate expressions in LIST-I for the decomposition of NH3 with the corresponding profiles provided in LIST-II.1, k and k1   are constants having appropriate units. LIST-I LIST-II(I)rate=k[NH3]1+k1[NH3]under all possible initial concentrationsof NH3 (P) (II)rate=k[NH3]1+k1[NH3]under high initial concentrations of NH3 such that k1NH3>>1(Q) (III) rate=k[NH3]1+k1[NH3]NH3under high initial concentrations of such that  k1[NH3]<<1 (R)(IV)rate=k[NH3]21+k1[NH3]under low initial concentrations of NH3  such that k1[NH3]<<1 (S)   (T)