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Which of the following change the colour...

Which of the following change the colour of aqueous solution of `FeCl_(3)`?

A

`K_(4)[Fe(CN)_(6)]`

B

`H_(2)S`

C

`NH_(4)CNS`

D

KCNS

Text Solution

Verified by Experts

The correct Answer is:
A, B, C, D
A) `K_(4)(Fe(CN)_(6)) overset(Fe^(3+))to` Prussian blue
B) `H_(2)S overset(Fe^(3+))to` Oxidized to sulphere
C and D `Fe^(3+)3+ScNO to underset("Blood red colour")([Fe(SCN)_(3)])`
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