I think oxenium hydride would be more appropriate than hydroxyl taking into account the polarity of the two fragments (HO+ and H-), though AFAIK there is no standardized name for HO+.
this post was submitted on 27 Jun 2025
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I agree that hydroxile hydride is the best, but the dihydro ether one is wrong. Ethers are defined by carbon bound to oxygen. No carbon bound to oxygen? No ether!
Hydroxyl hydride feels wrong given that hydride is H-. So what's a good name for HO+...? Oxenium hydride? Hydrenium hydride? (comparing carbonium (CR4H+) vs carbenium (CR3+) and oxonium/hydronium (H3O+))
Good point, maybe hydroxonium for OH+? I just know I never want to be in the same lab as a real OH+ species. Sounds like one of those "things I don't want to work with"
-onium is usually an extra group/proton (carbonium, oxonium, bromonium...). HO+ isn't too hard to approximate--just take a hydroperoxide or peroxyacid and add strong acid like with piranha :)
Here's some other dank names from the Wikipedia info card thing:
- Oxidane
- Hydrogen oxide
- Hydrogen hydroxide (H2O or HOH)
- Hydroxylic acid
- Dihydrogen monoxide
- Dihydrogen oxide
- Hydric acid
- Hydrohydroxic acid
- Hydroxic acid
- Hydroxoic acid
- Hydrol
- μ-Oxidodihydrogen
- κ1-Hydroxylhydrogen(0)
- Aqua
- Neutral liquid
- Oxygen dihydride
Beware of Dihydrogen Monoxide. It’s very dangerous!!!
- Causes thousands of deaths annually (via inhalation)
- Accelerates corrosion of metals
- Found in every cancerous tumour
- Major component of acid rain
- Leads to severe burns in gas form
- Detected in baby food and vaccines
⚠️⚠️⚠️
Star rust is also a cool name
Oxidane.
Where?
Doesn't an acid have to be an acid, though?
When you mix it with water, it'll form a hydronium ion, what else do you need?
amphotericity is some weird shit, so yes. Water also an acid. (100% butchered the translation)
In that situation, is it called hydroxic acid, as OP says?
It can behave like an acid by donating a proton when mixed with a stronger base.
Clearly I didn’t pay attention in chemistry