In a reaction A + B → C, initial concentrations of A and B are related as [A]₀ = 8[B]₀. The half lives of A an…

Question

In a reaction $$A + B ightarrow C$$, initial concentrations of **A** and **B** are related as $$[A]_0 = 8[B]_0$$. The half lives of **A** and **B** are **$$10 \, 	ext{min}$$** and **$$40 \, 	ext{min}$$**, respectively. If they start to disappear at the same time, both following first order kinetics, after how much time will the concentration of both the reactants be same?

Accepted Answer

D. **$$40 \, 	ext{min}$$**

Answer

A. **$$60 \, 	ext{min}$$**

Answer

B. **$$80 \, 	ext{min}$$**

Answer

C. **$$20 \, 	ext{min}$$**

Answer & step-by-step solution

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