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Sulfide: Quiz

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Question 1: At still lower pH's (<7), HS converts to H2S, ________.
Nitrous oxideCarbon monoxideHydrogen sulfideNitric oxide

Question 2: The di________ S2− exists only in strongly alkaline aqueous solutions.
IonElectrolyteHalf cellLithium-ion battery

Question 3: In ________, "sulfide" usually refers to the linkage C-S-C, although the term thioether is less ambiguous.
Organic chemistryPolymer chemistryBiochemistryInorganic chemistry

Question 4: Sulfide is also a slightly archaic term for thioethers, a common type of ________ that are well known for their bad odors.
OrganosiliconOrganocopper compoundOrganosulfur compoundsOrganoselenium chemistry

Question 5: In fact, the bonding in transition metal sulfides is highly covalent, which gives rise to their ________ properties, which in turn is related to the deep colors.
PhysicsSemiconductorQuantum mechanicsCondensed matter physics

Question 6: A sulfide (sulphide in ________) is an anion of sulfur in its lowest oxidation number of −2.
Canadian EnglishAmerican EnglishBritish EnglishEnglish language

Question 7: Aqueous solutions of transition metals ________ react with sulfide sources (H2S, NaSH, Na2S) to precipitate solid sulfides.
Half cellElectrolyteIonLithium-ion battery







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