1.

In which, iron has the lowest oxidation state ?

Answer»

`Fe(CO)_5`
`Fe_2 O`
`K_4Fe(CN)_6`
`FeSO_4(NH_4)_2SO_4 6H_2O`

Solution :`overset(0)(Fe)(CO)_5,overset(+1)(Fe_(2))O,K_(4)overset(+2)(Fe)(CN)_6`
`overset(+2)(Fe)SO_(4)(NH_4)_(2)SO_(4).6H_(2)O`


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