Cyanide | Wikipedia audio article
Channel: wikipedia tts
Date: 07/12/2018

This is an audio version of the Wikipedia Article:
Cyanide


00:01:00 1 Nomenclature and etymology
00:01:54 2 Bonding
00:02:09 3 Occurrence and reactions
00:02:19 3.1 In nature
00:03:14 3.2 Interstellar medium
00:03:35 3.3 Pyrolysis and combustion product
00:04:06 3.4 Coordination chemistry
00:05:43 3.5 Organic derivatives
00:06:51 4 Manufacture
00:07:26 5 Toxicity
00:09:19 5.1 Antidote
00:10:43 5.2 Sensitivity
00:11:08 6 Applications
00:11:17 6.1 Mining
00:13:26 6.2 Industrial organic chemistry
00:13:59 6.3 Medical uses
00:14:49 6.4 Illegal fishing and poaching
00:15:18 6.5 Pest control
00:16:07 6.6 Niche uses
00:17:12 6.6.1 Human poisoning
00:17:57 6.6.2 Food additive
00:18:27 7 Chemical tests for cyanide
00:18:37 7.1 Prussian blue
00:19:01 7.2 ipara/i-Benzoquinone in DMSO
00:19:25 7.3 Copper and an aromatic amine
00:20:23 7.4 Pyridine-barbituric acid colorimetry
00:21:36 7.5 Corrinoids colorimetry
00:22:29 7.6 Gas diffusion flow injection analysis—amperometry



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SUMMARY
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A cyanide is a chemical compound that contains the group C≡N. This group, known as the cyano group, consists of a carbon atom triple-bonded to a nitrogen atom.In inorganic cyanides, the cyanide group is present as the anion CN−.  For the salts such as sodium cyanide and potassium cyanide, these compounds are highly toxic. Hydrocyanic acid, also known as hydrogen cyanide, or HCN, is a highly volatile liquid that is produced on a large scale industrially.  It is obtained by acidification of cyanide salts.
Organic cyanides are usually called nitriles. In nitriles, the CN group is linked by a covalent bond to carbon.  For example, in acetonitrile, the cyanide group is bonded to methyl (CH3). Because they do not release cyanide ions, nitriles are generally far less toxic than cyanide salts.  Some nitriles, which occur naturally as cyanohydrins, release hydrogen cyanide.