Question

Order of decreasing bond dissociation enthalpy HI HF HBR HCL

Answer 1

Answer:

HCL>HF>HBR>HI

Explanation:

HERE HF COMES AFTER HCL BECAUSE FLUORINE IS SMALLEST IN SIZE DUE TO WHICH IT HAS HIGH ELECTRON DENSITY OVER IT, DUE TO WHICH IT REPELS ELECTRON