Order the reactivity of the compounds evaluated in the \"Effect of Leaving Group

Question

Order the reactivity of the compounds evaluated in the "Effect of Leaving              

      Group" experiment from slowest to fastest? Were these results consistent with

      the expected results? Discuss why your results were or were not in agreement

      with the expected results.

Effect of leaving group

Trial one

Trial two

2-bromo-2-methylpropane

Ppt formed at 24:36 seconds

Ppt formed at 26:01 seconds

2-chloro-2-methylpropane

Ppt formed at 6:41 seconds

Ppt formed at 7:07 seconds

Effect of leaving group

Trial one

Trial two

2-bromo-2-methylpropane

Ppt formed at 24:36 seconds

Ppt formed at 26:01 seconds

2-chloro-2-methylpropane

Ppt formed at 6:41 seconds

Ppt formed at 7:07 seconds

Explanation / Answer

2-bromo-2-methylpropane   is less reactive than 2-chloro-2-methylpropane . because Cl-atom is more electronegative than Br-atom.so that Cl gains one electron and form Cl- . so that it is more reactive.

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