Consider the following complexes:
$(a) \ Na_2[Fe(CN)_5NO]$
$(b) \ [Fe(H_2O)_5NO]SO_4$
$(c) \ K_4[Fe(CN)_6]$
Which of the following statements is wrong?

  • A
    $(a)$ is used in the detection of $S^{2-}$ ions.
  • B
    The complex part of each compound is octahedral.
  • C
    $(c)$ is used in the detection of $Fe^{3+}$ ions.
  • D
    The oxidation state $(O.S.)$ of $Fe$ in $(a)$ and $(b)$ is $+1$.

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Similar Questions

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.

Which of the following has a yellow colour?

Identify the correct set from the following table:

Which of the following orders is not correct?

Given below are two statements:
Statement $I$: $PF_5$ and $BrF_5$ both exhibit $sp^3 d$ hybridisation.
Statement $II$: Both $SF_6$ and $[Co(NH_3)_6]^{3+}$ exhibit $sp^3 d^2$ hybridisation.
In the light of the above statements,choose the correct answer from the options given below:

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