Chemical Kinetics and Nuclear ChemistryHard
Question
For the non-equilibrium process, A + B → products, the rate is first-order w.r.t. A and second-order w.r.t. B. If 1.0 mole each of A and B introduced into a 1.0 L vessel and the initial rate was 1.0 × 10-2 mol L-1 s-1, rate when half reactants have been turned into products is :
Options
A.1.25 × 10-3 mol L-1 s-1
B.1.0 × 10-2 mol L-1 s-1
C.2.50 × 10-3 mol L-1 s-1
D.2.0 × 10-2 mol L-1 s-1
Solution
A + B → Product
Initial conc. 1 1
Initially
1.0 × 10-2 = K [1] [1]2
K = 1.0 × 10-2|
When half of reactant reacted
Rate = 1.0 × 10-2
Rate = 1.25 × 10-3
Initial conc. 1 1
Initially
1.0 × 10-2 = K [1] [1]2
K = 1.0 × 10-2|
When half of reactant reacted
Rate = 1.0 × 10-2
Rate = 1.25 × 10-3
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