QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
Which formula/name pair is incorrect?
A) $\mathrm{FeSO}_{4}$
iron(II) sulfate
B) $\mathrm{Fe}_{2}\left(\mathrm{SO}_{3}\right)_{3}$
iron(III) sulfite
C) FeS
iron(II) sulfide
D) $\mathrm{FeSO}_{3}$
iron(II) sulfate
E) $\mathrm{Fe}_{2}\left(\mathrm{SO}_{4}\right)_{3}$
iron(III) sulfate
$\square$ A
$\square$ B
$\square$ C
$\square$ D
$\square$ E
$\square$ None of the
above
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Answer
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Step 1: Identify the incorrect formula-name pair.
The correct name for the compound $\mathrm{FeSO}_{3}$ is iron(II) sulfate, but the correct formula for iron(II) sulfate is $\mathrm{FeSO}_{4}$.
Therefore, the correct name and formula do not match for this pair.
Step 2: Mark the correct answer.
The answer is $\square$ D, as the formula $\mathrm{FeSO}_{3}$ is incorrectly named as iron(II) sulfate.
Final Answer
The formula-name pair D) $\mathrm{FeSO}_{3}$ iron(II) sulfate is incorrect.
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