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Refer to the below image : Assuming both the reactions are E1 the expected ratio between $K_H/K_D$ is

(a) Nearly 1

(b) Nearly 3

(c) Nearly 5

(d) Lies Between 2 to 8

1 Answer

As both the reactions are E1 the steps involving carbocation formation are rate determining .As a result secondary isotope effects are noticed and $K_H/K_D$ is 1.
answered Aug 23, 2013 by sreemathi.v