Fluoroantimonic acid (HSbF6), is the world’s most powerful superacid. It’s made by combining hydrogen fluoride (HF) with antimony pentafluoride (SbF5). The superacid is produced by many combinations, but the strongest superacid known to man is produced by combining equal quantities of the two acids.
Table of Contents
Fluoroantimonic Acid- Important Points
- The reaction of hydrogen fluoride (HF) and SbF5 is exothermic.
- The octahedral SbF6 is formed when HF releases its proton (H+) and its conjugate base (F) is sequestered by one or more molecules of SbF5.
- This anion is classified as noncoordinating because it is both a very weak nucleophile and a very weak base.
- The proton effectively becomes “naked,” explaining the system’s high acidity.
- Fluoroantimonic acid is 21019 times more powerful than pure sulfuric acid.
- Superacids are commonly used to produce and retain organic cations, which are important as intermediate intermediates in a variety of processes, including the manufacture and research of plastics and high-octane gasoline.
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PhD Student at University College Dublin and Author at What's Insight
PhD Student who loves to write about science, technology and more. Studying at the University College in Dublin. Hope you enjoy my content.
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