Multiple Choice
Which of the following is the correct chemical formula for cobalt(III) hydroxide?
3. Chemical Reactions
Naming Ionic Compounds
Multiple Choice
What is the correct name for the compound with the formula NH_4NO_2?
A
Ammonium oxide
B
Ammonium nitrite
C
Nitrous ammonium
D
Ammonium nitrate
Verified step by step guidance1
Identify the ions present in the compound NH_4NO_2. The formula consists of NH_4^+ (ammonium ion) and NO_2^- (nitrite ion).
Recall that the name of an ionic compound is given by naming the cation first followed by the anion.
The cation NH_4^+ is called ammonium, and the anion NO_2^- is called nitrite.
Combine the names of the cation and anion to form the compound name: ammonium nitrite.
Verify that the name matches the formula by ensuring the charges balance to zero, confirming the compound is correctly named ammonium nitrite.
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