1.

Which of the following combines with Fe(II) ions to form a brown complex ?

Answer»

`N_(2)O`
`NO`
`N_(2)O_(5)`
`N_(2)O_(4)`

Solution :`FE^(2+) +NO +5H_(2)O to [Fe(H_(2)O)_(5)NO]^(2+)` (brown complex)


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