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www.thoughtco.com/what-is-the-strongest-acid-604314

None of the strong acids traditionally listed in a chemistry text holds the title of World's Strongest Acid. The record-holder used to be fluorosulfuric acid (HFSO 3), but the carborane superacids are hundreds of times stronger than fluorosulfuric acid and over a million times stronger than concentrated sulfuric acid.

www.thoughtco.com/common-acids-and-chemical-structures-603645

Citric acid is a weak organic acid that gets its name because it is a natural acid in citrus fruits. The chemical is an intermediate species in the citric acid cycle, which is key for aerobic metabolism. The acid is widely used as a flavoring and acidifier in food. Pure citric acid has a tangy, tart flavor.

io9.gizmodo.com/10-of-the-most-dangerous-chemicals-in-the...

It's our chemical all-star team of death. We've got historic poisons that have claimed the lives of millions in a sinister manner, along with a couple of chemicals that might be in your home ...

www.realclearscience.com/.../the-worlds-strongest-acids.html

Even its chemical structure resembles a fortified bulwark. Teflon could also contain the second* most powerful acid: carborane, and not just because of Teflon's super cool properties. Though the boron-based carborane has a peppy pH of -18, it's also exceedingly gentle, meaning noncorrosive.

en.wikipedia.org/wiki/Superacid

According to the classical definition, a superacid is an acid with an acidity greater than that of 100% pure sulfuric acid, which has a Hammett acidity function (H 0) of −12. According to the modern definition, a superacid is a medium in which the chemical potential of the proton is higher than in pure sulfuric acid.

www.britannica.com/science/acid

Acid, any substance that in water solution tastes sour, changes the colour of certain indicators (e.g., reddens blue litmus paper), reacts with some metals (e.g., iron) to liberate hydrogen, reacts with bases to form salts, and promotes certain chemical reactions (acid catalysis).

www.quora.com/What-is-the-most-acidic-substance-ever

By Hammett acidity function, fluoroantimonic acid is the most acidic. The carborane superacid reported by the Reed group is also often cited as the strongest acid known. 9.1k views · View 26 Upvoters. Related Questions. What is the most basic substance ever?

www.youtube.com/watch?v=ckSoDW2-wrc

They explode when you touch them. Even a millionth of a gram can kill you. They can even disable you with their horrifying smell. SciShow introduces you to give of the most dangerous chemicals in ...

www.toptenz.net/top-10-most-extreme-substances.php

Most Acidic Acid. Acid is scary stuff; they gave one of the scariest movie monsters ever acid blood to make it scarier than just a simple killing machine (the Alien), so it’s pretty ingrained in our psyche that getting dissolved is bad. If the Aliens had been filled with fluoroantimonic acid, they not only would have probably fallen through ...

www.reddit.com/.../3bcte4/most_corrosive_acid_and_base_known

For example, if you look at perchloric, chloric, and chlorous acid, it's the increased number of atoms that make perchloric the most acidic and chlorous the least acidic. But specifically, it's the increased number of electronegative atoms (oxygen, which is good at housing a negative charge) that increases acidity.