Q108 · Practice questionSimple familiar1 mark
QUESTION 108
What is the correct name of ?
(A)
Iron(I) sulfate
(B)
Iron(II) sulfate
(C)
Iron(III) sulfate
(D)
Iron(VI) sulfate
WORKED SOLUTION
1 markAnswer C
Answer
C
Working
Three sulfate ions contribute −6 charge. The two iron atoms together contribute +6, so each is +3. Its Roman numeral is III.
Marking criteria
- Select C. [1 mark]
Practice question aligned to the current QCAA syllabus; review the worked solution and marking criteria.
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