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Multiple Choice
Provide the name for the following compound:CoCO3
A
cobalt carbonate
B
cobalt (II) carbonate
C
cobalt carbonite
D
cobalt (III) carbonite
Verified step by step guidance
1
Identify the metal in the compound: The chemical formula CoCO3 contains the metal cobalt (Co).
Determine the charge of the carbonate ion: The carbonate ion (CO3) has a charge of -2.
Balance the charges: Since the compound is neutral, the charge of the cobalt must balance the -2 charge of the carbonate ion. Therefore, cobalt must have a +2 charge.
Name the compound using the IUPAC naming system: The metal cobalt with a +2 charge is indicated as cobalt (II).
Combine the names: The full name of the compound is cobalt (II) carbonate, indicating the charge of the cobalt and the presence of the carbonate ion.