The rate of a certain biochemical reaction at physiological temperature (T) occurs <math> <msup> <mrow> <mrow> <mn>10</mn> </mrow> </mrow> <mrow> <mrow> <mn>6</mn> </mrow> </mrow> </msup> </math> <math><msup><mrow><mrow></mrow></mrow><mrow><mrow></mrow></mrow></msup></math>&nbsp;times faster with enzyme than without. The change in the activation energy upon adding enzyme is :

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Chemistry NCERT Exemplar Solutions Class 12th Chapter Eight Chemistry Class 12th Chemistry Chemical Kinetics

The rate of a certain biochemical reaction at physiological temperature (T) occurs $10^{6}$ $^{}$ times faster with enzyme than without. The change in the activation energy upon adding enzyme is :

Option 1 -

$- 6 (2.303) R T$

Option 2 -

$+ 6 R T$

Option 3 -

$- 6 R T$

Option 4 -

$(D) + 6 (2.303) R T$

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1 Answer

Answered by

Raj Pandey | Contributor-Level 9

a month ago

Correct Option - 1

Detailed Solution:

Without catalyst: $K = A e^{- E a / R T}$

$\begin{array}{r} Presence catalyst: 10^{6} K = A e^{- E c / R T} \\ E q (B) - E q (A) 10^{6} = e^{- (E - E c) / R T} \\ \frac{E - E c}{R T} = 2.303 \times 6 \\ Δ E = E c - E = (- 2.303) \times 6 R T \end{array}$

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The rate of a certain biochemical reaction at physiological temperature (T) occurs $10^{6}$ $^{}$ times faster with enzyme than without. The change in the activation energy upon adding enzyme is :

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The rate of a certain biochemical reaction at physiological temperature (T) occurs 10 6 times faster with enzyme than without. The change in the activation energy upon adding enzyme is :

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The rate of a certain biochemical reaction at physiological temperature (T) occurs $10^{6}$ $^{}$ times faster with enzyme than without. The change in the activation energy upon adding enzyme is :