Question

The accompanying figure depicts a change in concentration of species A and B of the reaction A → B, as a function of time. The point of intersection of the two curves represents:

• A. \(t_{1/2}\)
• B. \(t_{3/4}\)
• C. \(t_{2/3}\)
• D. Data insufficient to predict

Hint:

Equal concentrations of reactant and product indicate half completion.

Answer 1

The Correct Option is A

Step 1: At the point of intersection, [A]=[B].
Step 2: For reaction A→ B, this occurs when half of A has reacted.
Step 3: Thus the time corresponds to half-life t₁/2.