Rank the following in order of decreasing rate in `E_(2)` reaction :

Rank the following in order ofdecreasing rate in an E_2 reaction :

Rank the following in order of decreasing rate of reaction with alkoxide ion (CH_3CH_20O^-) in a nucleophilic aromatic substitution reaction :

Rank the following in order of decreasing rate of reation with alkoxide ion (CH_(3) CH_(2) O^(-)) in a nucleophilic aromatic substitution reaction : (1)

Rank the following compounds in order of increasing E_(2) reaction rate with alcoholic KOH

Rank the following compounds in order of increasing E_(2) reaction rate with alcoholic KOH

Arrange the following in decreasing order of E_(2) reaction :