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It is a positively charged molecular ion with the chemical formula NH + 4 or [NH 4] +. It is formed by the addition of a proton (a hydrogen nucleus) to ammonia ( NH 3 ). Ammonium is also a general name for positively charged (protonated) substituted amines and quaternary ammonium cations ( [NR 4 ] + ), where one or more hydrogen atoms are ...
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Ammonium bifluoride, as its name indicates, contains an ammonium cation ([NH 4] +), and a bifluoride (or hydrogen difluoride) anion ([HF 2] −). The triatomic bifluoride anion features a strong three-center four-electron bond with a bond energy greater than 155 kJ/mol, [ 2 ] and an H-F length of 114 pm. [ 3 ]
A close relative to tetramantane (a higher homologue of adamantane), its proper name is nonacyclo[11.7.1.1 12,18.0 3,16.0 4,13.0 5,10.0 6,14.0 7,11.0 15,20]docosane. Because its unusual ethano-bridge was a deviation from the standard hydrocarbon caged rearrangements, it came to be known as bastardane—the unwanted child.
Ammonium iodide is the inorganic compound with the formula NH 4 I. A white solid. It is an ionic compound, although impure samples appear yellow. This salt consists of ammonium cation and an iodide anion. [1] It can be prepared by the action of hydroiodic acid on ammonia. It is easily soluble in water, from which it crystallizes in cubes.
Ammonium oxalate is a chemical compound with the chemical formula [N H 4] 2 C 2 O 4.Its formula is often written as (NH 4) 2 C 2 O 4 or (COONH 4) 2.It is an ammonium salt of oxalic acid.It consists of ammonium cations ([NH 4] +) and oxalate anions (C 2 O 2− 4).
Ammonium fluoride is the inorganic compound with the formula NH 4 F. It crystallizes as small colourless prisms, having a sharp saline taste, and is highly soluble in water. Like all fluoride salts, it is moderately toxic in both acute and chronic overdose. [citation needed]
Ammonium bicarbonate is an inorganic compound with formula (NH 4)HCO 3. The compound has many names, reflecting its long history. Chemically speaking, it is the bicarbonate salt of the ammonium ion. It is a colourless solid that degrades readily to carbon dioxide, water and ammonia.