Search results
Results From The WOW.Com Content Network
SnO 2 + 2 H 2 SO 4 → Sn(SO 4) 2 + 2 H 2 O. The latter compound can add additional hydrogen sulfate ligands to give hexahydrogensulfatostannic acid. [16] SnO 2 dissolves in strong bases to give "stannates," with the nominal formula Na 2 SnO 3. [11] Dissolving the solidified SnO 2 /NaOH melt in water gives Na 2 [Sn(OH) 6], "preparing salt ...
4SnO → Sn 3 O 4 + Sn Sn 3 O 4 → 2SnO 2 + Sn. SnO is amphoteric, dissolving in strong acid to give tin(II) salts and in strong base to give stannites containing Sn(OH) 3 −. [4] It can be dissolved in strong acid solutions to give the ionic complexes Sn(OH 2) 3 2+ and Sn(OH)(OH 2) 2 +, and in less acid solutions to give Sn 3 (OH) 4 2+. [4]
Tin(II) sulfate (Sn S O 4) is a chemical compound. It is a white solid that can absorb enough moisture from the air to become fully dissolved, forming an aqueous solution; this property is known as deliquescence. It can be prepared by a displacement reaction between metallic tin and copper(II) sulfate: [3] Sn (s) + CuSO 4 (aq) → Cu (s) + SnSO ...
Crystals of Sn 6 O 4 (OH) 4 has been characterized by X-ray diffraction. This cluster is obtained from solution of basic solutions of tin(II). The compound consists of an octahedron of Sn centers, each face of which is capped by an oxide or a hydroxide. The structure is reminiscent of the Mo 6 S 8 subunit of the Chevrel phases.. [2]
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more
Solutions of metal aquo complexes are acidic owing to the ionization of protons from the water ligands. In dilute solution chromium(III) aquo complex has a pK a of about 4.3, affording a metal hydroxo complex: [Cr(H 2 O) 6] 3+ ⇌ [Cr(H 2 O) 5 (OH)] 2+ + H + Thus, the aquo ion is a weak acid, of comparable strength to acetic acid (pK a of about ...
Tin is a chemical element; it has symbol Sn (from Latin stannum) and atomic number 50. A silvery-colored metal, tin is soft enough to be cut with little force, [ 13 ] and a bar of tin can be bent by hand with little effort.
Note the transfer of electrons from Fe to Cl. Decomposition is also a way to simplify the balancing of a chemical equation. A chemist can atom balance and charge balance one piece of an equation at a time. For example: Fe 2+ → Fe 3+ + e − becomes 2Fe 2+ → 2Fe 3+ + 2e −; is added to Cl 2 + 2e − → 2Cl −; and finally becomes Cl 2 ...