What kind of compound is PbO2?
LEAD DIOXIDE
Lead dioxide
| PubChem CID | 14793 |
|---|---|
| Structure | Find Similar Structures |
| Chemical Safety | Laboratory Chemical Safety Summary (LCSS) Datasheet |
| Molecular Formula | O2Pb or PbO2 |
| Synonyms | LEAD DIOXIDE 1309-60-0 Lead(IV) oxide Lead peroxide lead (IV) oxide More… |
How is PbO2 formed?
The formation of PbO2 is affected by the water chemistry. Lytle and Schock (9) studied PbO2 formation from lead(II) chloride solutions and found that higher pH favored the formation of scrutinyite and lower pH favored plattnerite. DIC is thought to play an important role in PbO2 formation.
Is PbO2 a peroxide?
Metallic oxides containing hydrogen peroxide when combined with dilute acids are called peroxides. PbO2 does not contain peroxide ions and should thus not be referred to as peroxide. …
What is the formula of lead dioxide?
PbO2
Lead(IV) oxide/Formula
What is the charge of lead in pbo2?
+4
It is +4 .
What is the property of lead?
Lead is very malleable, ductile, and dense and is a poor conductor of electricity. Known in antiquity and believed by the alchemists to be the oldest of metals, lead is highly durable and resistant to corrosion, as is indicated by the continuing use of lead water pipes installed by the ancient Romans.
What are the properties of PbO2?
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….Lead dioxide.
| Names | |
|---|---|
| Molar mass | 239.1988 g/mol |
| Appearance | dark-brown, black powder |
| Density | 9.38 g/cm3 |
| Melting point | 290 °C (554 °F; 563 K) decomposes |
Does PbO2 produce H2O2?
Metallic oxides which on treatment with dilute acids produce hydrogen peroxide are called peroxides. All peroxides contain a peroxide ion (O2-2) having the structure [O-O]2. PbO2 does not contain peroxide ion and hence it cannot be called a peroxide.
Is PbO2 soluble in water?
Lead dioxide
| Names | |
|---|---|
| Solubility in water | insoluble |
| Solubility | soluble in acetic acid insoluble in alcohol |
| Refractive index (nD) | 2.3 |
| Structure |
What is the name for Pb3N4?
Lead(IV) Nitride Pb3N4 Molecular Weight — EndMemo.
What is the Colour of PbO2?
The colour of PbO2 is brown.
What is the oxidation state of PbO 2?
PbO 2 is an oxide where the oxidation state of lead is +4 with chemical name Lead (IV) oxide. It is also called lead dioxide, or anhydrous Plumbic acid, or Plumbic oxide. It is a powerful oxidizing agent. Plumbic oxide is a dark-brown crystalline powder which is insoluble in water and alcohol.
What is the Fermi edge of B-PbO 2?
The photoemission onset of b-PbO 2 contains a well-defined metallic Fermi edge. The position of the onset structure suggests that the metallic nature of PbO 2 arises from occupation of conduction band states above the main valence band, probably arising from oxygen vacancy defects.
How are the electronic structures of a-PbO 2 investigated?
The electronic structures of a-PbO and b-PbO 2 have been investigated by X-ray photoemission, X-ray absorption and X-ray emission spectroscopies, supported by bandstructure calculations performed within the framework of density functional theory.
What happens when PbO 2 reacts with sodium hydroxide?
PbO 2 reacts with sodium hydroxide to form the hexahydroxoplumbate (IV) ion [Pb (OH) 6] 2−, soluble in water.