Na2S - X - Na2-FeCN5NOS- purple colorThe name of X in the above reaction is -

The correct option is B sodium nitroprussideHere X is, Na_2[Fe(CN)_5(NO)] So Fe^+2 #160;= d^6 . Due to strong ligand, pairing happens and low spin c ...

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Standard XII

Chemistry

Electrophilic Substitution Reactions of Haloarenes

Na2S + X ⟶...

Question

$\begin{matrix} N a_{2} S & + & X & ⟶ & N a_{2} [F e (C N)_{5} (N O S)] p u r p l e c o l o r \end{matrix}$

The name of X in the above reaction is :

sodium thiosulphate

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brown ring complex

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sodium nitroprusside

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prussian blue

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Solution

The correct option is B sodium nitroprusside
Here X is,
$N a_{2} [F e (C N)_{5} (N O)]$
So $F e^{+ 2} = d^{6}$ . Due to strong ligand, pairing happens and low spin complex forms. So it has zero unpaired electrons and zero magnetic moment.
Also, as electrons get paired it has 6 electrons in nonaxial d-orbitals and color of compound is due to charge transfer.
Hence, the correct option is C.

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Similar questions

\begin{matrix} N a_{2} S & + & X & ⟶ & N a_{2} [F e (C N)_{5} (N O S)] p u r p l e c o l o r \end{matrix}

The reason of color of X is :

\begin{matrix} N a_{2} S & + & X & ⟶ & N a_{2} [F e (C N)_{5} (N O S)] p u r p l e c o l o r \end{matrix}

Find the value of magnetic moment of X.

\begin{matrix} N a_{2} S & + & X & ⟶ & N a_{2} [F e (C N)_{5} (N O S)] p u r p l e c o l o r \end{matrix}

Find the number of

e^{-}

(s) in non-axial d-orbitals.

Q. The following reaction happens in which test ?

N a_{2} S + N a_{2} [F e (C N)_{5} N O] ⟶ N a_{4} [F e (C N)_{5} N O S]

N a_{2} S + N a_{2} [F e (C N)_{5} N O] ⟶ X (p u r p l e c o l o r)

What is the formula of X?

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Na2S+X⟶Na2[Fe(CN)5(NOS)]purplecolorThe name of X in the above reaction is :

$\begin{matrix} N a_{2} S & + & X & ⟶ & N a_{2} [F e (C N)_{5} (N O S)] p u r p l e c o l o r \end{matrix}$

The name of X in the above reaction is :