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KVPY2017ChemistryChemical Kinetics

A reaction has an activation energy of 209 ~kJ mol ⁻¹ . The rate increases 10 -fold when the temperature is increased from 27^ C to X ^ C . The temperature X is closest to [Gas constant, R =8.314 ~J ~mol ⁻¹ ~K ⁻¹ ]

Options

  1. A35
  2. B40
  3. C30
  4. D45

Correct answer

A. 35

Step-by-step solution

₁₀= 209 10³ 2.303 8.314 [ 1 300 - 1 ~T ]9.16 10⁻⁵=3.33 10⁻³- 1 ~T ~T =308.4 ~K or 35^ C = X

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