题目

25S-A&O SCI-2-LEC-1 / 25S-A&O SCI-2-LEC-2 Homework Assignment #3

多重下拉选择题

In this question, all chemical species must be written as chemical formulae with the subscripts unformatted (e.g., water would be typed in as H2O). Capitalization does count, however. Watch that you do not confuse a lowercase "ell" (l) with a capital "eye" (I). They may look the same, but mean something completely different with respect to chemical formulae. Outside the Polar Vortex, most of the chlorine is in the form of [选择] active inert reservoir species, which include the following two chemical species: [选择] ClONO2 ClO Cl and [选择] HCl Cl ClO . Inside the Polar Vortex, chlorine is converted into [选择] active reservoir inert species, which include [选择] Cl ClONO2 HCl and ClO .

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思路分析

We need to parse the question, which discusses the forms in which chlorine exists outside and inside the Polar Vortex, and the options are arranged as a set of dropdowns to fill. Option 1 (Outside the Polar Vortex): reservoir vs active vs inert. The statement says, outside the vortex, most chlorine is in the form of reservoir species. In chlorine atmospheric chemistry, reservoir species are relatively stable sinks (not highly reactive) that temporarily store chlorine until conditions promote release as reactive forms. Therefore stating that outside the vortex chlorine is mainly in reservoir form is conceptually correct. Choosing reservoir (instead of active or inert) aligns with this description because active species would be the reactive forms (like Cl and ClO), and inert would be non-reactive species that don’t readily participate in short-term chlorine cycling. Option ......Login to view full explanation