Multiple choice

A reaction A→ B the stoichiometry of both reactant and product are same and hence

  1. the rate of dissappearance of (A) & the rate of appearance of (B) are same.

  2. the rate of appearance of (A) & the rate of appearance of (B) are same.

  3. the rate of appearance of (A) & the rate of dissappearance of (B) are same

  4. none of these

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A Correct answer
Explanation

For a reaction A to B with a 1:1 stoichiometry, the rate of disappearance of A equals the rate of appearance of B. The rates of appearance of A and disappearance of B are negative values of the reaction rate.