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Cu^(-2)(aq)+K(4)[Fe(CN)(6)](aq)rarr unde...

`Cu^(-2)(aq)+K_(4)[Fe(CN)_(6)](aq)rarr underset((ppt))X`
Colour of precipitate (X) is

A

green

B

blue

C

white

D

reddish - brown

Text Solution

Verified by Experts

The correct Answer is:
D
`Cu^(+2) +[Fe(CN)_(6)]^(-4) rarr underset("Chocolate brown" //"reddish brown ppt")(Cu_(2))[Fe(CN)_(6)]`
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Cu^(2+) salts with K_(4)[Fe(CN)_(6)] gives

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