NEET Chemistry Chemical Kinetics Questions Solved


The kinetic datas for the reaction: 2A + B22AB are as given below:

A                    B                      Ratemol L-1          mol L-1           mol L-1 mol L-1  0.5                   1.0                   2.5×10-31.0                   1.0                   5.0×10-30.5                   2.0                  1×10-2

The order of reaction w.r.t. A and B2 are, respectively,

(A) 1 and 2                                        

(B) 2 and 1

(C) 1 and 1                                         .

(D) 2 and 2

 

 

(A) 2.5×10-3=K0.5α1.0β                 ...15×10-3=K1.0α1.0β                     ...21×10-2=K0.5α2.0β                     ...3

Dividing equation (1) and (2)

 12=12α; hence α=1

Dividing equation (1) and (3)

2.5×10-31×10-2=1.02.0β:14=12β: β=2

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