Which of the following options are not in accordance with the property mentioned against them?

a. F₂ > Cl₂ > Br₂ > I₂                                   Oxidising power

b. MI > MBr > MCI > MF                            lonic character of metal halide

c. F₂ >Cl₂ > Br₂ > I₂                                     Bond dissociation enthalpy

d. HI < HBr < HCl < HF                               Hydrogen-halogen bond strength

1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)