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The following bimolecular elimination re...

The following bimolecular elimination reaction `(E_2)` is carried out with different halogen leaving groups. The per cent yield of the two products (2·hexene and I-hexene) for each leaving group is listed below.

Which ofthe following statement is (are) true concerning this series of `E_2` reactions?

A

Based on the `pK_s` 's of the conjugate acid `,I^-` is the best leaving group and `F^-` is the pooreset leaving group

B

When `I^-Br^- "and" Cl^-` are used as leaving groups, Zaitsev's rule is followed.

C

`F^-` is the stronger base (and therefore the poorest leaving group) and the transition statefor reactionwithfluoride as theleavinggrouphas theleastdoublebondcharacter

D

a,b,c are true

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The correct Answer is:
D
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