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Introduction to Haloalkanes

Order of the ...

Question

Order of the reactivity of halogens during halogenation of alkanes is:

C l_{2} > I_{2} > B r_{2}

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B r_{2} > I_{2} > C l_{2}

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I_{2} > C l_{2} > B r_{2}

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C l_{2} > B r_{2} > I_{2}

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Solution

The correct option is D $C l_{2} > B r_{2} > I_{2}$
Explanation:
The chlorine radical is the most reactive of the among the given halogen molecules and it reacts easily with alkanes. In contrast, the iodine radical is the least reactive of the halogen radicals. In fact, it is so unreactive that it is unable to abstract a hydrogen atom from an alkane.
So, (D) option is correct

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Similar questions

F_{2}, C l_{2}, B r_{2}, I_{2},

The correct order of the oxidizing power of Cl₂, Br₂, I₂ and O₂ is:

F_{2} > C l_{2} > B r_{2} > I_{2}

F_{2} > C l_{2} > B r_{2} > I_{2} :

F_{2} > C l_{2} > B r_{2} > I_{2} :

F_{2} > C l_{2} > B r_{2} > I_{2} :

F_{2} > C l_{2} > B r_{2} > I_{2} :

F_{2} > C l_{2} > B r_{2} > I_{2} :

F_{2} > C l_{2} > B r_{2} > I_{2} :

H O C l > H C l O_{2} > H C l O_{3} > H C l O_{4} :

H O C l > H C l O_{2} > H C l O_{3} > H C l O_{4} :

(x^{2} + y^{2})

x

y

I_{2}, {B r}_{2}, {C l}_{2}, F_{2}

I_{2} < {B r}_{2} < {C l}_{2} < F_{2}

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