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Home :Companion Notes :Compounds :Polyatomic ionsPrint | Comment

Quiz
1. Hypochlorite ion is the active ingredient in Chlorox bleach. The formula of the hypochlorite ion is:
ClO2-2ClO2-ClO3-ClO-HClO-
2. An old bottle labelled "sodium biphosphate" contains:
NaH2PO4NaHPO3NaH2PO3Na2HPO4Na3PO4
3. 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:
O2-O2-O22-O3-O2+
4. Periodate ion is used in staining procedures that improve the quality of microscopic images. The formula of the periodate ion is:
IO4-IO32-IO4-2HIO3-IO3-
5. NaClO4 is used to manufacture explosives. NaClO is the active ingredient in Chlorox bleach. The names of the anions in these compounds are, respectively,
hyperchlorite and hypochloritequadrochloroxide and monochloroxide
perchlorate and hypochloriteexochloride and endochloride
tetroxychlorine and monoxychlorinechlorate and chlorite
6. Sodium sulfate occurs in nature as the minerals mirabilite and thenardite. The formula of the sulfate ion is:
S2O3-2SO42-SO32-HSO4-SO4-
7. Phosphate ion is a basic building block of minerals, bones, teeth, and DNA. The formula of the phosphate ion is:
PO43-HPO4-2PO3-PhO2-2PO42-
8. Dichromate ions are used in the tanning of leather. Dichromate ion is:
Cr2O32-HCrO4-Cr2O72-CrO42-HCrO3-
9. The SCN- ion forms a bright red complex with iron(II) ions. The SCN- ion is called the:
thiocyanite ionthiocyanide ionthiocyanate ioncyanide ionsulfurocyanide ioncyanate ion
10. Stable compounds containing the iodite ion have never been prepared. The formula of the iodite ion could be:
IO2-IO2-HIO3-IO2-2IO3-
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Copyright © 1997-2005 by Fred Senese
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Last Revised 06/11/07.URL: http://antoine.frostburg.edu/chem/senese/101/compounds/polyatomic-quiz.shtml