The maximum kinetic isotope effects (KIE) are exhibited for the reactions of molecules which involve the isotopes of hydrogen. By outlining the origins of KIE, explain why this is so. a. (i) (ii) Present an expression which gives the dependence of the rate constant k on H/D isotopic substitution i.e., predict kH/ kp.

Fundamentals Of Analytical Chemistry
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ISBN:9781285640686
Author:Skoog
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Chapter34: Miscellaneous Separation Methods
Section: Chapter Questions
Problem 34.19QAP
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4. a. (i)
The maximum kinetic isotope effects (KIE) are exhibited for the reactions of
molecules which involve the isotopes of hydrogen. By outlining the origins
of KIE, explain why this is so.
(ii)
Present an expression which gives the dependence of the rate constant k on
H/D isotopic substitution i.e., predict kµ / kp.
Transcribed Image Text:4. a. (i) The maximum kinetic isotope effects (KIE) are exhibited for the reactions of molecules which involve the isotopes of hydrogen. By outlining the origins of KIE, explain why this is so. (ii) Present an expression which gives the dependence of the rate constant k on H/D isotopic substitution i.e., predict kµ / kp.
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