Nitrogen monoxide, NO, is a primary pollutant produced by petrol engines and is found in their exhaust gases. Which reaction occurs in a catalytic converter and decreases the emission of nitrogen monoxide?
A.
\(\mathrm{NO}(\mathrm{g})+\mathrm{CO}(\mathrm{g}) \rightarrow \mathrm{NO}_{2}(\mathrm{~g})+\mathrm{C}(\mathrm{s})\)
B.
\(\mathrm{NO}(\mathrm{g})+\mathrm{CO}_{2}(\mathrm{~g}) \rightarrow \mathrm{NO}_{2}(\mathrm{~g})+\mathrm{CO}(\mathrm{g})\)
C.
\(2 \mathrm{NO}(\mathrm{g})+2 \mathrm{CO}(\mathrm{g}) \rightarrow \mathrm{N}_{2}(\mathrm{~g})+2 \mathrm{CO}_{2}(\mathrm{~g})\)
D.
\(2 \mathrm{NO}(\mathrm{g})+\mathrm{CO}_{2}(\mathrm{~g}) \rightarrow 2 \mathrm{NO}_{2}(\mathrm{~g})+\mathrm{C}(\mathrm{s})\)
Exam No:9701_m24_qp_12 Year:2024 Question No:24
Answer:
C
Knowledge points:
13.1.1 define the term hydrocarbon as a compound made up of C and H atoms only
13.1.2 understand that alkanes are simple hydrocarbons with no functional group
13.1.3 understand that the compounds in the table on page 26 and 27 contain a functional group which dictates their physical and chemical properties
13.1.4 interpret and use the general, structural, displayed and skeletal formulae of the classes of compound stated in the table on page 26 and 27
13.1.5 understand and use systematic nomenclature of simple aliphatic organic molecules with functional groups detailed in the table on page 26 and 27, up to six carbon atoms (six plus six for esters, straight chains only for esters and nitriles)
13.1.6 deduce the molecular and/or empirical formula of a compound, given its structural, displayed or skeletal formula
Solution:
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