Which one of the following is the weakest acid?

Question

Which one of the following is the weakest acid? (A) HF (B) HCI (C) HBr (D) HI

Tardigrade Admin · Accepted Answer

HF has the highest bond dissociation enthalpy amongst all the halogen acids. The hydration enthalpy of the fluoride ion is also highest. The former predominates making HF the weakest of the halogen acids.

Q. Which one of the following is the weakest acid?

HF

HCI

HBr

HI

$H F$ has the highest bond dissociation enthalpy amongst all the halogen acids. The hydration enthalpy of the fluoride ion is also highest. The former predominates making $H F$ the weakest of the halogen acids.