Question

If enthalpy of atomisation for Br2(1) is x kJ/mol and bond enthalpy for Br2 is y kJ/mol, the relation between them :

(1) is x = y

(2) is x < y

(3) does not exist

(4) is x > y

Answer 1

Answer is (4)

Enthalpy of atomisation of Br2(l)