Arrange the halogens F2 ,

Question:

Arrange the halogens F2 , Cl2 , Br2 , I2 , in order of their increasing reactivity

with alkanes.

(i) I2 < Br2 < Cl2 < F2

(ii) Br2 < Cl2 < F2 < I2

(iii) F2 < Cl2 < Br2 < I2

(iv) Br2 < I2< Cl2 < F2

Solution:

Option (i) I2 < Br2 < Cl2 < F2 is the answer.

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