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Cyanate: Quiz


Question 1: The cyanate ion is an ambidentate nucleophile in ________ because it can react to form an alkyl cyanate R-OCN (exception) or an alkyl isocyanate R-NCO (rule).
SN2 reactionSN1 reactionNucleophilic substitutionElimination reaction

Question 2: Aryl cyanates (C6H5OCN) can be formed by a reaction of ________ with cyanogen chloride (ClCN) in the presence of a base.
Hydrogen peroxideChlorhexidinePhenolEthanol

Question 3: In organic compounds the cyanate group is a ________.
Functional groupAlkaneAlcoholEthylene

Question 4: Use of this fact is made in cyanide decontamination processes where oxidants such as permanganate and ________ are used to convert toxic cyanide to safer cyanate.
ChlorhexidineHydrogen peroxideEthanolAntiseptic

Question 5: The cyanate ion is an ________ consisting of one oxygen atom, one carbon atom, and one nitrogen atom, [OCN], in that order, and possesses 1 unit of negative charge, borne mainly by the nitrogen atom.
IonElectrolyteHalf cellLithium-ion battery

Question 6: The cyanate ion is isoelectronic with ________, and so shares its linear shape.
Carbon sinkCarbon dioxideGreenhouse gasCarbon cycle

Question 7: The fulminate ion [ONC] has the same ________ but a different structure — it is a structural isomer of cyanate.
HydrogenChemistryCarbonChemical formula


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