Arrange the following alkyl halides in decreasing order of the rate of β-elimination reaction with alcoholic KOH.

A. \(\mathrm{(CH_3)_2C(H)CH_2Br}\)
B. CH3-CH2-Br
C. CH3-CH2-CH2-Br


1. A > B > C

2. C > B > A

3. B > C > A

4. A > C > B