Single Choice

Which one of the following compounds is not coloured?

A$$ Na_2CuCl_4 $$
B$$ Na_2CdCl_4 $$
Correct Answer
C$$ K_4Fe(CN)_6 $$
D$$ K_3Fe(CN)_6 $$

Solution

$$ Na_2[CdCl_4] $$ compound is not coloured due to absence of unpaired electrons.

$$ Na_2[CdCl_4] \to 2Na^++[CdCl_4]^{2-}\to Cd^{2+}\to [Kr]4d^{10}$$

SIMILAR QUESTIONS

Coordination Compounds

Among the following, the species that is both paramagnetic and coloured is :

Coordination Compounds

What is the relationship between observed color of the complex and the wavelength of light absorbed by the complex?

Coordination Compounds

The colourless species is:

Coordination Compounds

Which of the following compound is expected to be colourless?

Coordination Compounds

Which of the following compounds is not colored yellow?

Coordination Compounds

Which of the following statements is/are correct?

Coordination Compounds

Which of the following is correct about $$\underset{I}{KFe^{II}[Fe(CN)_6]}$$ and $$\underset{II}{KFe^{III}[Fe(CN)_6]}$$ complex compounds?

Coordination Compounds

If $$MCl_2$$ salt is white, then comment on colour of its iodide salt.

Coordination Compounds

Choose incorrect statement.

Coordination Compounds

Why a solution of $$[Ni(H_2O)_6]^{2+}$$ is green while a solution of $$[Ni(CN)_4]^{2-}$$ is colourless? (At no. of $$Ni=28$$)

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