JEE Main 2024 Chemistry question
Consider the following single step reaction in gas phase at constant temperature. 2A(g) + B(g) → C(g). The initial rate of the reaction is recorded as r when the reaction starts with 1.5 atm pressure of A and 0.7 atm pressure of B. After some time, the rate r is recorded when the pressure of C becomes 0.5 atm. The ratio r : r is × 10. (Nearest integer)
Answer: 315
Solution
Rate = k ². r₁ = k(1.5)²(0.7) = 1.575k. When = 0.5, = 1.5 − 1.0 = 0.5
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