MCQ
Identify correct reactivity for $E_2$ reaction with alc. $KOH$


- ✓$i > ii > iii$
- B$ii > iii > i$
- C$i > iii > ii$
- D$iii > i > ii$

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$(i)$ $X + Y \rightleftharpoons M$ very rapid equilibrium
$(ii)$ $M + Z \to P$ slow
$(iii)$ $O + Y \to N$ very fast
What is the rate law for this reaction

$CH _{3} CH = CHCH \left( CH _{3}\right)_{2} \stackrel{ HBr }{\longrightarrow}$
