Q7 / 90 · KVPY 2015 (SB/SX) · Chemistry

The rate constant of a chemical reaction at a very high temperature will approach

  • A
    Arrhenius frequency factor divided by the ideal gas constant
  • B
    Activation energy
  • Correct answer
    C
    Arrhenius frequency factor
  • D
    activation energy divided by the ideal gas constant

Solution

$\mathrm{k}=\mathrm{Ae}^{-\mathrm{E} / \mathrm{RT}} ; \quad$At$\mathrm{T} \rightarrow \infty ; \mathrm{k}=\mathrm{Ae}^{-\mathrm{E}_{\mathrm{A}}[\mathbb{R} \times \infty]}=\mathrm{Ae}^{0}$ $\mathrm{~K}=\mathrm{A}$

Hence, the correct answer is option: 'C'.

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