Multiple Choice
Which of the following is the correct scientific name for LiCl?
3. Chemical Reactions
Naming Ionic Compounds
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What is the correct name for the ionic compound (NH_4)_2C_2O_4?
A
Ammonium sulfate
B
Ammonium carbonate
C
Ammonium acetate
D
Ammonium oxalate
Verified step by step guidance1
Identify the cation and anion in the compound (NH_4)_2C_2O_4. The cation is ammonium, NH_4^+, and the anion is C_2O_4^{2-}, which is the oxalate ion.
Recall that the ammonium ion (NH_4^+) is a common polyatomic cation, and the oxalate ion (C_2O_4^{2-}) is a polyatomic anion derived from oxalic acid.
Understand that the formula (NH_4)_2C_2O_4 indicates two ammonium ions balancing the charge of one oxalate ion, forming an ionic compound.
Use the naming convention for ionic compounds: name the cation first (ammonium) followed by the name of the anion (oxalate).
Conclude that the correct name for (NH_4)_2C_2O_4 is ammonium oxalate, not ammonium sulfate, ammonium carbonate, or ammonium acetate.
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