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Question
Choose the correct answer from the options given below.
The formula of iron (III) sulphate is ______.
Options
Fe3SO4
Fe(SO4)3
Fe2(SO4)3
FeSO4
Solution
The formula of iron (III) sulphate is Fe2(SO4)3.
Explanation:
\[\ce{Fe^{3+} SO^{2-}_4}\]
\[\ce{F\overset{3}{e} ⤩ S\overset{3}{O4} => F\underset{2}{e} ⤩ S\underset{3}{O4}}\]
∴ Fe2(SO4)3
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