$A$ blue colouration is not obtained when:

  • A
    Ammonium hydroxide dissolves in copper sulphate
  • B
    Copper sulphate solution reacts with $K_4[Fe(CN)_6]$
  • C
    Ferric chloride reacts with sodium ferrocyanide
  • D
    Anhydrous $CuSO_4$ is dissolved in water

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Similar Questions

Match the following:
Column-$1$ (Reaction)Column-$2$ (Main product)
$A$. $4FeCl_3 + 3K_4[Fe(CN)_6] \rightarrow$$I$. $Fe_4[Fe(CN)_6]_3$
$B$. $ZnCl_2 + 4NaOH \rightarrow$$V$. $Na_2ZnO_2$
$C$. $2FeCl_3 + H_2S \rightarrow$$II$. $FeCl_2$

The given complex $M(ABCDEF)$ exhibits which of the following isomerism?

For the given aqueous reaction,which of the statement$(s)$ is (are) true?
$2KI + 2K_3[Fe(CN)_6] \xrightarrow{H_2SO_4} I_2 + 2K_4[Fe(CN)_6]$
$(A)$ The first reaction is a redox reaction.
$(B)$ White precipitate is $K_2Zn_3[Fe(CN)_6]_2$.
$(C)$ Addition of filtrate to starch solution gives blue colour.
$(D)$ White precipitate is soluble in $NaOH$ solution.

Match List-$I$ with List-$II$ and select the correct code:
List-$I$ List-$II$
$A$. Ziegler-Natta $i$. $Fe_4[Fe(CN)_6]_3$
$B$. Brown ring complex $ii$. $[Fe(H_2O)_5NO]SO_4$
$C$. Prussian Blue $iii$. $Al(C_2H_5)_3 + TiCl_4$
$D$. Turnbull Blue $iv$. $Fe_3[Fe(CN)_6]_2$

Correct code is:

Identify the correct set from the following table:

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