Arrange the following halogens in decreasing order of reactivity with alkynes.

F_{2}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C l_{2}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B r_{2}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

I_{2}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

Halogenation of alkynes takes place as:

Fluorination is an explosive reaction. Chlorination takes place faster than bromination. In case of iodination, second step does not take place. Hence the order or reactivity is: $F_{2} > C l_{2} > B r_{2} > I_{2}$

Suggest Corrections

Similar questions

H B r

Join BYJU'S Learning Program