Multiple Choice
Given that the ratio of Na to O in an ionic compound is 2:1, what is the correct chemical formula for this compound?
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- 1. Intro to General Chemistry3h 48m
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3. Chemical Reactions
Naming Ionic Compounds
Struggling with General Chemistry?
Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
What is the correct name for the compound FeCl_3?
A
Ferric chloride
B
Iron(III) chloride
C
Ferrous chloride
D
Iron(II) chloride
Verified step by step guidance1
Identify the metal in the compound FeCl_3, which is iron (Fe).
Determine the charge on the chloride ion (Cl), which is -1.
Since there are three chloride ions, the total negative charge is 3 × (-1) = -3.
To balance the charges, the iron must have a charge of +3, indicating the oxidation state of iron is +3.
Name the compound using the Stock system, which includes the metal name followed by its oxidation state in Roman numerals in parentheses, resulting in Iron(III) chloride.
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