AIPMT PRELIMS2002Chemistry-Organic Chemistry
AIPMT PRELIMS 2002 Chemistry Elimination Reactions MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Reactivity order of halides for dehydrohalogenation is :-
A
R – F > R – Cl > R – Br > R – I
B
R – I > R – Br > R – Cl > R – F
C
R – I > R – Cl > R – Br > R – F
D
R – F > R – I > R – Br > R – Cl
Correct Answer
Option B
Detailed Explanation
The reactivity order is based on the bond strength; weaker bonds break more easily, making R⁻I the most reactive.
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