Talk:Lead dioxide

Article name
Please discuss any concerns about the article name here. Vsmith (talk) 01:44, 7 April 2010 (UTC)

I have a problem with this name is because this chemical is an ionic compound not a molecular compound. The prefix "di" shouldn't be used to name ionic compound. Plus, the ion lead has multiple charges. The correct name should be "Lead(IV) Oxide" I use the roman numeral (IV) means that the lead ion has a +4 charge. --Flushing258 (talk) 03:05, 13 April 2010 (UTC)


 * A few points:


 * You have not given a reliable source that says PbO2 is ionic &mdash; it may seem obvious from school-level chemistry, where you think of most inorganic compounds as ionic, i.e. [Pb4+][O2−]2, but this a gross simplification. See Ionic bond: "Pure ionic bonding is not known to exist. All ionic compounds have a degree of covalent bonding." I will try and find a reliable source that explicitly discusses the degree of separation of charge in PbO2, but in general I believe the greater the formal charge on the ion (i.e. especially pronounced with a formal tetracation like Pb4+), the less likely it is to find fully ionic bonding. The energy required to ionise Pb to Pb4+ and 2O to 2O2− probably cannot be compensated for by the energy gained from forming Pb4+···O2− ionic bonds. Structure determinations:


 * Solid State Sciences (2005) 7, 1363–1368: High-pressure synthesis of α-PbO2 and its crystal structure at 293, 203, and 113 K from single crystal diffraction data.
 * J. Alloys Compd. (2004) 377, 17–20: Hydrothermal crystal growth of the high-pressure phases of α-PbO2 and TiO2 II.
 * J. Phys.: Condens. Matter (1996) 8, 1631–1646: The high-pressure phase transition sequence from the rutile-type through to the cotunnite-type structure in PbO2.
 * Solid State Commun. (2000) 115, 423–426: Transport properties of bismuth-doped β-lead dioxide.
 * Mater. Res. Bull. (1982) 17, 769–784: The crystal structures of lead dioxides from the positive plate of the lead/acid battery.
 * Acta Cryst. (1980). B36, 2394–2397: Powder neutron diffraction study of chemically prepared β-lead dioxide.


 * You have not given a reliable source to suggest that "lead dioxide" is an inappropriate name for an ionic compound.


 * Lead(IV) means Pb is in the +4 oxidation state, which is not exactly the same thing as saying lead has a +4 charge. "Lead(IV) oxide" would be an acceptable name for PbO2, but it is not necessarily preferable to "lead dioxide", and "lead dioxide" is certainly not wrong.


 * Only the first letter of article titles is capitalised, so it would be "Lead(IV) oxide", not Lead(IV) Oxide".


 * For these reasons, I oppose any move to Lead(IV) Oxide.


 * Ben (talk) 11:20, 13 April 2010 (UTC)


 * See Naming conventions (chemistry) --Rifleman 82 (talk) 16:00, 13 April 2010 (UTC)

Anhydrous plumbic acid
I've never heard this name used but I suppose it is analagous to Chromium trioxide and Chromic acid. Biscuittin (talk) 19:02, 23 November 2014 (UTC)

External links modified
Hello fellow Wikipedians,

I have just modified one external link on Lead dioxide. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
 * Added archive https://web.archive.org/web/20080111154608/http://www.npi.gov.au/database/substance-info/profiles/50.html to http://www.npi.gov.au/database/substance-info/profiles/50.html

When you have finished reviewing my changes, you may follow the instructions on the template below to fix any issues with the URLs.

Cheers.— InternetArchiveBot  (Report bug) 04:51, 19 December 2017 (UTC)