Some polyatomic ions exist in families Parent ion ate ending Derivatives related to parent obtained by adding a hydrogen atom OR addingremoving oxygen atoms Type 1 When hydrogen is added ID: 369053
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Slide1
Polyatomic Ions: DerivativesSlide2
Some
polyatomic ions exist in families:
Parent ion
(-“ate” ending)
Derivatives(related to parent)
obtained by:adding a hydrogen atom, ORadding/removing oxygen atomsSlide3
Type 1: When hydrogen is added
Parent ion
Derivative ion
CO
3
2-carbonate
HCO
3
-bicarbonate, or hydrogen carbonateSO42-sulfateHSO4-__________________, or hydrogen sulfatePO43-phosphate______________________________, or hydrogen phosphate
What
prefix
is added at the front of the ion name?
What change occurs to the ion’s
charge
?Slide4
Name
Formula
Lithium
bisulfate
NaHCO3
Copper (II) biphosphateKeep treating them like regular ions… cross-over rule still applies!Slide5
Type 2: When oxygens
are altered
perchlorate
ClO
4
-chlorate
ClO
3
-chloriteClO2-hypochloriteClO-Example: The chlorate family of ionsWhat happens to the ion charge when oxygen are added/removed?Slide6
Oxyanion
Parent ion
Oxyanion name
(a)
CO
2
2-
carbonate, CO
32-carbonite(b)PO23-(c)
CrO
3
2-
(d)
SO
3
2-
(e)
CO
4
2-
(f)
BrO
4
-
bromate, BrO
3
-Slide7
Name
Formula
Calcium phosphate
Calcium
phosphite
Fe(ClO3)2Fe(ClO4)2Cuprous hypobromite