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Home :Companion Notes :Compounds :Polyatomic ionsPrint | Comment

Quiz
1. Which of the following is the bisulfate ion?
S2O82-S2O32-(SO42-)2SO42-HSO4-
2. Sodium peroxide can be used for oxygen generation in diving bells and submarines, since it reacts with carbon dioxide and produces oxygen gas. The peroxide ion has the formula:
O3-O22-O2-O2+O2-
3. Hypobromite compounds are used to treat water supplies that are heavily contaminated with bacteria. The formula of the hypobromite ion is:
BrO3-BrO-HBrO-BrO2-2BrO2-
4. Veterinarians administer an 0.2 percent potassium permanganate solution to cows and horses as an antidote for plant alkaloid poisoning. A bottle that contains potassium permanganate solution might be labelled:
KMnO3K2MnO3K2MnO4KMnO4KMgO4
5. Which of the following compounds contains a polyatomic ion?
C6H12O6KBrLiClNa2SO4CO2
6. Stable compounds containing the iodite ion have never been prepared. The formula of the iodite ion could be:
IO3-IO2-2IO2-HIO3-IO2-
7. Periodate ion is used in staining procedures that improve the quality of microscopic images. The formula of the periodate ion is:
IO4-2HIO3-IO3-IO4-IO32-
8. Sodium aluminate is used in fabric printing processes. If the formula is NaAlO2, the charge on the aluminate ion must be:
+2-2+10-1
9. Chlorite compounds are extremely explosive when they come into contact with combustible material. The formula of the chlorite ion is:
ClO2-2ClO2-ClO2-ClO3-HClO3-
10. NaClO4 is used to manufacture explosives. NaClO is the active ingredient in Chlorox bleach. The names of the anions in these compounds are, respectively,
tetroxychlorine and monoxychlorineperchlorate and hypochlorite
chlorate and chloritehyperchlorite and hypochlorite
exochloride and endochloridequadrochloroxide and monochloroxide
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General Chemistry Online! Quiz

Copyright © 1997-2005 by Fred Senese
Comments & questions to fsenese@frostburg.edu
Last Revised 06/11/07.URL: http://antoine.frostburg.edu/chem/senese/101/compounds/polyatomic-quiz.shtml