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Tardigrade
Question
Chemistry
Arrange the following hydrogen halides in order of their decreasing reactivity with propene.
Q. Arrange the following hydrogen halides in order of their decreasing reactivity with propene.
2308
197
Hydrocarbons
Report Error
A
H
Cl
>
H
B
r
>
H
I
31%
B
H
B
r
>
H
I
>
H
Cl
17%
C
H
I
>
H
B
r
>
H
Cl
35%
D
H
Cl
>
H
I
>
H
B
r
16%
Solution:
The order of reactivity of the hydrogen halides is
H
I
>
H
B
r
>
H
Cl
. As the size of halogen increases, the strength of
H
—
X
bond decreases and hence, reactivity increases.