Lead tetrasodium is a binary inorganic compound of lead and sodium with the formula Na 4 Pb, crystals.
| Lead tetrasodium | |
|---|---|
| Are common | |
| Systematic name | Lead tetrasodium |
| Traditional names | Tetrasodium lead |
| Chem. formula | Na 4 Pb |
| Rat formula | PbNa 4 |
| Physical properties | |
| condition | crystals |
| Molar mass | 299.16 g / mol |
| Density | 3.6 g / cm³ |
| Thermal properties | |
| T. melt. | 386 ° C |
| Classification | |
| Reg. CAS number | 12346-61-1 |
Getting
- Fusion of stoichiometric amounts of pure substances:
Physical Properties
Lead tetrasodium forms crystals of the composition Na 15 Pb 4 of cubic syngony , cell parameters a = 1.302 nm , Z = 16 , and a structure of the tetrasilicide type pentadecomedia Cu 15 Si 4 [1] [2] .
The compound melts congruently at a temperature of 386 ° C [1] .
It is soluble in ammonia . During the electrolysis of an ammonia solution, sodium is released at the cathode, and lead is released at the anode [3]
Notes
- ↑ 1 2 State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Engineering, 2001. - T. 3 Book 1. - 972 p. - ISBN 5-217-02843-2 .
- ↑ B. Predel. Na-Pb (Sodium-Lead) // Landolt-Börnstein - Group IV Physical Chemistry. - 1997. - T. 5H . - S. 1-5 . - DOI : 10.1007 / 10522884_2154 .
- ↑ Akhmetov N.S. General and inorganic chemistry .. - M: Higher school, 1981. - P. 255. - 679 p.