The \"kinetic isotope effect\" is an expression used by organic chemists to desc

Question

The "kinetic isotope effect" is an expression used by organic chemists to describe the difference in reactivity between molecules that have deuterium (2H = D) compared to those with hydrogen (2H = H). The reactivity difference is believed to be due to the difference in bond strength between C-H and C-D. To a first approximation, the bond strength is equal to the Hooke's law constant for the bond. Assuming the vibrational frequency of C-H and C-D are equal, which bond is stronger? By what factor is it stronger? Why do you suppose the phenomenon is called "kinetic"?

Explanation / Answer

a. C-D is stronger by almost 80 times because of the highest weight of the atom which helps making strongest coavlent bond with C , thus stronger bond.

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