What is the structure of lead oxide?
What is the structure of lead oxide?
Lead(II) oxide, also called lead monoxide, is the inorganic compound with the molecular formula PbO. PbO occurs in two polymorphs: litharge having a tetragonal crystal structure, and massicot having an orthorhombic crystal structure….Lead(II) oxide.
| Names | |
|---|---|
| Structure | |
| Crystal structure | Tetragonal, tP4 |
| Space group | P4/nmm, No. 129 |
| Hazards |
What is the oxide of lead?
lead compounds are the oxides: lead monoxide, PbO, in which lead is in the +2 state; lead dioxide, PbO2, in which lead is in the +4 state; and trilead tetroxide, Pb3O4. Lead monoxide exists in two modifications, litharge and massicot.
Is lead oxide solid?
Lead(IV) oxide is the inorganic compound with the formula PbO2. It is an oxide where lead is in an oxidation state of +4. It is a dark-brown solid which is insoluble in water.
What is the oxidation state of lead?
Lead exists in three oxidation states: Pb(0), the metal; Pb(II); and Pb(IV). In the environment, lead primarily exists as Pb(II). Pb(IV) is only formed under extremely oxidizing conditions and inorganic Pb(IV) compounds are not found under ordinary environmental conditions.
How do you write lead oxide formula?
PbOLead(II) oxide / Formula
Is lead oxide a metal?
The so-called black lead oxide, which is a mixture of PbO and fine-powdered metal Pb and used in the production of lead–acid batteries.
How is lead oxide formed?
Lead oxide can occur as a transition form in oxidation/reduction process of the PbO2/Pb(II) couple. It is particularly stable in alkaline solutions. Anodic oxidation of Pb results in the growth of β-PbO, which can then be transformed to α-PbO. The structure of PbO deposit depends on hydroxide (NaOH) concentration.
Is PbO a solid liquid or gas?
Lead monoxide
| PubChem CID | 14827 |
|---|---|
| Synonyms | Lead monoxide Lead(II) oxide 1317-36-8 Lead oxide (PbO) oxolead More… |
| Molecular Weight | 223 |
| Dates | Modify 2022-05-28 Create 2005-03-26 |
| Description | Litharge appears as odorless gray or yellow green or red-brown solid. Sinks in water. (USCG, 1999) CAMEO Chemicals |
Why does Pb show +2 oxidation state?
Due to relativistic contraction of the outermost s orbital, its 2 electrons are closer to the nucleus and thus more tightly bound than the electrons in the p orbitals.
What is the molecular structure of lead?
A lead atom has 82 electrons, arranged in an electron configuration of [Xe]4f145d106s26p2.
How is lead II oxide formed?
PbO is prepared by heating lead metal in air at 600 C. Alternatively, it is obtained by the thermal decomposition of lead(II) nitrate or lead carbonate: 2Pb(NO3)2 → 2PbO + 4NO2 + O. PbCO3 → PbO + CO.
What is the difference between lead and lead oxide?
Lead oxides are a group of inorganic compounds with formulas including lead (Pb) and oxygen (O). Common lead oxides include: Lead(II) oxide, PbO, litharge (red), massicot (yellow)