Question

write cations and anions present in Fe2 (SO4)3​

Answer 1

cations are Fe+3

anions are so4-3

Answer 2

The cation and anion present in  $Fe_2(SO_4)_3$ are $Fe^{3+}$  and $SO_4^{2-}$ respectively.

Explanation:

When an atom accepts an electron negative charge is created on atom and is called as anion. When atom loses an electron positive charge is created on atom and is called as cation.

For formation of a neutral ionic compound, the charges on cation and anion must be balanced. The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non metals.

For formation of $Fe_2(SO_4)_3$, $Fe^{3+}$  is formed as cation and  $SO_4^{2-}$ is the anion and by criss-cross method, the oxidation state of the ions gets exchanged and they form the subscripts of the other ions. This results in the formation of a neutral compound $Fe_2(SO_4)_3$.

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