Give systematic names for the following compounds: [latex]\pmb{(a)} LiNO_{3}\quad\quad \pmb{(b)} KHSO_{4} \quad\quad \pmb{(c)} CuCO_{3}\quad\quad \pmb{(d)} Fe(ClO_{4})_{3}[/latex]

STRATEGY The names and charges of the common polyatomic ions must be memorized. Refer to Table 2.3 if you need help (a) Lithium nitrate Lithium (group 1A) forms only [latex]Li^{+}[/latex] the ion and does not need a Roman numeral. (b) Potassium hydrogen sulfate Potassium (group 1A) forms only the [latex]K^{+}[/latex] ion. (c) Copper(II) carbonate The carbonate ion has a -2 charge, so copper must be +2 A Roman numeral is needed because copper, a transition metal, can form more than one ion. (d) Iron(III) perchlorate There are three perchlorate ions, each with a -1 charge, so the iron must have a +3 charge.

Question 2.12: Give systematic names for the following compounds: (a) LiNO3......

Chemistry [1013538]

Give systematic names for the following compounds:

\pmb{(a)}  LiNO_{3}\quad\quad \pmb{(b)} KHSO_{4} \quad\quad \pmb{(c)} CuCO_{3}\quad\quad \pmb{(d)} Fe(ClO_{4})_{3}

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STRATEGY

The names and charges of the common polyatomic ions must be memorized. Refer to Table 2.3 if you need help

(a) Lithium nitrate Lithium (group 1A) forms only $Li^{+}$ the ion and does not need a Roman numeral.

(b) Potassium hydrogen sulfate Potassium (group 1A) forms only the $K^{+}$ ion.

(c) Copper(II) carbonate The carbonate ion has a -2 charge, so copper must be +2 A Roman numeral is needed because copper, a transition metal, can form more than one ion.

(d) Iron(III) perchlorate There are three perchlorate ions, each with a -1 charge, so the iron must have a +3 charge.

TABLE 2.3 Some Common Polyatomic Ions

Formula	Name	Formula	Name
Cation		Singly charged anions (continued)
$NH^{+}_{4}$	Ammonium	$NO^{-}_{2}$	Nitrite
Singly charged anions		$NO^{-}_{3}$	Nitrate
$CH_{3}CO^{-}_{2}$	Acetate	Doubly charged anions
$CN^{-}$	Cyanide	$CO^{2-}_{3}$	Carbonate
$ClO^{-}$	Hypochlorite	$CrO^{2-}_{4}$	Chromate
$ClO^{-}_{2}$	Chlorite	$Cr_{2}O^{2-}_{7}$	Dichromate
$ClO^{-}_{3}$	Chlorate	$O^{2-}_{2}$	Peroxide
$ClO^{-}_{4}$	Perchlorate	$HPO^{2-}_{4}$	Hydrogen phosphate
$H_{2}PO^{-}_{4}$	Dihydrogen phosphate	$SO^{2-}_{3}$	Sulfite
$HCO^{-}_{3}$	Hydrogen carbonate (or bicarbonate)	$SO^{2-}_{4}$	Sulfate
$HSO^{-}_{4}$	Hydrogen sulfate (or bisulfate)	$S_{2}O^{2-}_{3}$	Thiosulfate
$OH^{-}$	Hydroxide	Triply charged anion
$MnO^{-}_{4}$	Permanganate	$PO^{3-}_{4}$	Phosphate