Which one of the following is the weakest acid in water
Correct answer: A. HF (Hydrofluoric acid)
- A. HF (Hydrofluoric acid)
- B. HCl
- C. HBr
- D. HI
Explanation
While HF is the weakest acid in water among the given options, it's important to remember that it's still a highly corrosive and dangerous acid.Here's the breakdown of acid strength in water among the hydrogen halides:HF < HCl < HBr < HI (weakest to strongest)Reason for HF's Weakness:Strong H-F bond: HF has an exceptionally strong bond between hydrogen and fluorine due to fluorine's high electronegativity and small size. This strong bond makes it more difficult for HF to dissociate (break apart) in water to release H+ ions, which is a key characteristic of strong acids.
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About Transition Elements
Transition elements are identified by their partially filled d subshells in atoms or common ions. The topic covers the electronic structure of d-block elements, including the filling order of 4s and 3d orbitals, variable oxidation states and the distinction between transition elements and elements with completely filled d subshells.
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