Matches in DBpedia 2016-04 for { <http://wikidata.dbpedia.org/resource/Q4386156> ?p ?o }
Showing triples 1 to 88 of
88
with 100 triples per page.
- Q4386156 subject Q8705264.
- Q4386156 abstract "Organoselenium compounds are chemical compounds containing carbon-to-selenium chemical bonds. Organoselenium chemistry is the corresponding science exploring their properties and reactivity. Selenium belongs with oxygen and sulfur to the group 16 elements or chalcogens, and similarities in chemistry are to be expected.Selenium can exist with oxidation state -2, +2, +4, +6. Se(II) is the dominant form in organoselenium chemistry. Down the group 16 column, the bond strength becomes increasingly weaker (234 kJ/mol for the C–Se bond and 272 kJ/mol for the C–S bond) and the bond lengths longer (C–Se 198 pm, C–S 181 pm and C–O 141 pm). Selenium compounds are more nucleophilic than the corresponding sulfur compounds and also more acidic. The pKa values of XH2 are 16 for oxygen, 7 for sulfur and 3.8 for selenium. In contrast to sulfoxides, the corresponding selenoxides are unstable in the presence of β-protons and this property is utilized in many organic reactions of selenium, notably in selenoxide oxidations and in selenoxide eliminations. Organoselenium compounds are found at trace levels in ambient waters, soils and sediments.The first organoselenium compound ever isolated was diethyl selenide in 1836.".
- Q4386156 thumbnail Organoselenium_compounds.png?width=300.
- Q4386156 wikiPageWikiLink Q103230.
- Q4386156 wikiPageWikiLink Q104567.
- Q4386156 wikiPageWikiLink Q107429.
- Q4386156 wikiPageWikiLink Q1089.
- Q4386156 wikiPageWikiLink Q11173.
- Q4386156 wikiPageWikiLink Q115469.
- Q4386156 wikiPageWikiLink Q116851.
- Q4386156 wikiPageWikiLink Q1230226.
- Q4386156 wikiPageWikiLink Q130764.
- Q4386156 wikiPageWikiLink Q156.
- Q4386156 wikiPageWikiLink Q159226.
- Q4386156 wikiPageWikiLink Q170744.
- Q4386156 wikiPageWikiLink Q171877.
- Q4386156 wikiPageWikiLink Q177033.
- Q4386156 wikiPageWikiLink Q1786341.
- Q4386156 wikiPageWikiLink Q18036601.
- Q4386156 wikiPageWikiLink Q180618.
- Q4386156 wikiPageWikiLink Q182033.
- Q4386156 wikiPageWikiLink Q186474.
- Q4386156 wikiPageWikiLink Q1873966.
- Q4386156 wikiPageWikiLink Q2095629.
- Q4386156 wikiPageWikiLink Q21099600.
- Q4386156 wikiPageWikiLink Q2161141.
- Q4386156 wikiPageWikiLink Q220410.
- Q4386156 wikiPageWikiLink Q2437006.
- Q4386156 wikiPageWikiLink Q25269.
- Q4386156 wikiPageWikiLink Q26469.
- Q4386156 wikiPageWikiLink Q271026.
- Q4386156 wikiPageWikiLink Q284996.
- Q4386156 wikiPageWikiLink Q287862.
- Q4386156 wikiPageWikiLink Q291063.
- Q4386156 wikiPageWikiLink Q2991005.
- Q4386156 wikiPageWikiLink Q306156.
- Q4386156 wikiPageWikiLink Q306614.
- Q4386156 wikiPageWikiLink Q310268.
- Q4386156 wikiPageWikiLink Q325519.
- Q4386156 wikiPageWikiLink Q3298985.
- Q4386156 wikiPageWikiLink Q3538196.
- Q4386156 wikiPageWikiLink Q3599316.
- Q4386156 wikiPageWikiLink Q36933.
- Q4386156 wikiPageWikiLink Q373406.
- Q4386156 wikiPageWikiLink Q3774480.
- Q4386156 wikiPageWikiLink Q381233.
- Q4386156 wikiPageWikiLink Q407924.
- Q4386156 wikiPageWikiLink Q408028.
- Q4386156 wikiPageWikiLink Q408395.
- Q4386156 wikiPageWikiLink Q408663.
- Q4386156 wikiPageWikiLink Q409178.
- Q4386156 wikiPageWikiLink Q411193.
- Q4386156 wikiPageWikiLink Q411386.
- Q4386156 wikiPageWikiLink Q414553.
- Q4386156 wikiPageWikiLink Q41509.
- Q4386156 wikiPageWikiLink Q415925.
- Q4386156 wikiPageWikiLink Q418425.
- Q4386156 wikiPageWikiLink Q420304.
- Q4386156 wikiPageWikiLink Q420460.
- Q4386156 wikiPageWikiLink Q423777.
- Q4386156 wikiPageWikiLink Q44424.
- Q4386156 wikiPageWikiLink Q4812977.
- Q4386156 wikiPageWikiLink Q484152.
- Q4386156 wikiPageWikiLink Q543533.
- Q4386156 wikiPageWikiLink Q556957.
- Q4386156 wikiPageWikiLink Q623.
- Q4386156 wikiPageWikiLink Q648191.
- Q4386156 wikiPageWikiLink Q725979.
- Q4386156 wikiPageWikiLink Q726004.
- Q4386156 wikiPageWikiLink Q727732.
- Q4386156 wikiPageWikiLink Q7447861.
- Q4386156 wikiPageWikiLink Q745930.
- Q4386156 wikiPageWikiLink Q7485453.
- Q4386156 wikiPageWikiLink Q8066.
- Q4386156 wikiPageWikiLink Q81406.
- Q4386156 wikiPageWikiLink Q863695.
- Q4386156 wikiPageWikiLink Q8705264.
- Q4386156 wikiPageWikiLink Q876.
- Q4386156 wikiPageWikiLink Q898403.
- Q4386156 wikiPageWikiLink Q898422.
- Q4386156 wikiPageWikiLink Q900680.
- Q4386156 wikiPageWikiLink Q901669.
- Q4386156 wikiPageWikiLink Q903429.
- Q4386156 wikiPageWikiLink Q908086.
- Q4386156 type Thing.
- Q4386156 comment "Organoselenium compounds are chemical compounds containing carbon-to-selenium chemical bonds. Organoselenium chemistry is the corresponding science exploring their properties and reactivity. Selenium belongs with oxygen and sulfur to the group 16 elements or chalcogens, and similarities in chemistry are to be expected.Selenium can exist with oxidation state -2, +2, +4, +6. Se(II) is the dominant form in organoselenium chemistry.".
- Q4386156 label "Organoselenium chemistry".
- Q4386156 depiction Organoselenium_compounds.png.