Which of the following compounds is not coloured ?

  • A

    $Na_2[CuCl_4]$

  • B

    $Na_2[CdCl_4]$

  • C

    $Fe_4[Fe(CN)_6]_3$

  • D

    none of these

Similar Questions

Although fluorine is more electronegative than oxygen, but the ability of oxygen to stabilize higher oxidation states exceeds that of fluorine. Why ?

The atomic radii of the elements are almost same of which series

When $Cu^{2+}$ ion is treated with $KI$, a white precipitate is formed. Explain the reaction with the help of chemical equation.

Although $\mathrm{Cr}^{3+}$ and $\mathrm{Co}^{2+}$ ions have same number of unpaired electrons but the magnetic moment of $\mathrm{Cr}^{3+}$ is $3.87$ $B.M.$ and that of $\mathrm{Co}^{2+}$ is $4.87$ $B.M.$ Why ?

The aqueous solution containing which one of the following ions will be colourless

  • [AIPMT 2005]