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The rate constant, the activation energy and the Arrhenius parameter of a chemical reaction at are , and , respec-tively. The value of the rate constant as , is(a) (b) (c) infinity(d)
Text solutionVerified
Step by Step Solution:
Step 1. Given rate constant, , activation energy, and Arrhenius parameter, at
Step 2. To find the value of rate constant as
Step 3. We can use the Arrhenius equation which relates rate constant with temperature as follows:
Step 4.
Step 5. Taking the natural log both sides of equation (4), we get:
Step 6.
Step 7. As temperature approaches infinity, the value of approaches zero. We can therefore write the equation as follows:
Step 8.
Step 9.
Step 10.
Step 11. Expanding both terms using the logarithmic rule of product, we get:
Step 12.
Step 13. Solving for , we get:
Step 14.
Final Answer:
(b) 6.0 \times 10^{14}~s^{-1}
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Question Text | The rate constant, the activation energy and the Arrhenius parameter of a chemical reaction at are , and , respec-tively. The value of the rate constant as , is(a) (b) (c) infinity(d) |
Topic | All topics |
Subject | Chemistry |
Class | Class 11 |
Answer Type | Text solution:1 |