Chemistry · 2020
JEE Main · 8 January 2020, Shift 1 · Q44
The decreasing order of reactivity towards dehydrohalogenation ( E_1) reaction of the following compounds is:
The decreasing order of reactivity towards dehydrohalogenation $\displaystyle \left(\mathrm{E}_1\right)$ reaction of the following compounds is :

Official answer
(2)
$\displaystyle \mathrm{D}>\mathrm{B}>\mathrm{C}>\mathrm{A}$
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JEE Main 2020 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.