Which statement concerning ammonia or the ammonium ion is correct?
- AAmmonia gas is produced when an aqueous solution containing the ammonium ion is reacted with a strong acid.
- BSilver iodide is soluble in a concentrated aqueous solution of ammonia.
- CThe ammonium ion has the same number of electrons as a methane molecule.
- DThe square planar ammonium ion contains a dative covalent bond.