A few drops of concentrated HNO\(_3\) is added to an unknown solution and boiled for a while. If this produces a brown solution, the cation present is likely to be

tracy@jamb.com

11 years ago

iron three gives brown colour while iron two gives dirty green colour.

currish

3 years ago

The answer is present is Fe²+ , cause it was oxidized by Hno3.
The correct option is D

MASAKKA

3 years ago

they are f**king wrong
the correct answer is iron 2 bcoz it was oxidized to 3

smartychuks

10 years ago

yeah... this is so correct

HNO3 is a is highly oxidizing as such oxidizing iron(II) to iron(III)



smarty

Shalom.2468u

2 months ago

the ans is fe2+

Davidmyguy

10 years ago

hey it talks abt production of brown solution. the ans is fe2+

courage2007

3 months ago

The answer is Fe²+
It was oxidised to Fe³+
Kindly confirm and make necessary changes

Endure

10 years ago

there is a mixup here better explanation must be conveyed

marvelousmamuse

7 years ago

d chosen answer is wrong d answer is Fe3+

Temmy.darams

6 years ago

Fe2+ gives dirty green colour whileFe3+ gives brown colour the correct option is C.

Emmy1234

9 years ago

It fe3+ feno3 fe+3-2*3=0fe=3

Greatestt

7 years ago

But its Iron (iii) that's brown na

anushiemmbadiwe

8 years ago

pls fe2 is green den fe3 is brown