Question

write the molecular formula of all compound that can be formed by the combination of ions. Fe²+
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Answer 1

Correct option is

D

All of the above

Compounds are formed by the combination of cation and anion.

On combining all the possible positive ions with negative ions, we get

CuCl

2

,CuSO

4

,NaCl,Na

2

SO

4

,FeCl

3

,Fe