Which of the following compound is coloured ?

  • [AIIMS 2008]
  • A

    $TiCl_3$

  • B

    $FeCl_3$

  • C

    $CoCl_2$

  • D

    All of these

Similar Questions

If spin only magnetic moment of $VCl_X$ is $1.73\,BM$ then correct formula is

$(a)$ Transition metals can act as catalysts because these can change their oxidation state. How does $Fe(III)$ catalyse the reaction between iodide and persulphate ions ?

$(b)$ Mention any three processes where transition metals act as catalysts.

Given below are two statements, one is labelled as Assertion $A$ and the other is labelled as Reason $R$.

Assertion $A:$ The spin only magnetic moment value for $\left[ Fe ( CN )_6\right]^{3-}$ is $1.74 BM$, whereas for $\left[ Fe \left( H _2 O \right)_6\right]^{3+}$ is $5.92\,BM$.

Reason $R :$ In both complexes, $Fe$ is present in +3 oxidation state.

In the light of the above statements, choose the correct answer from the options given below:

  • [JEE MAIN 2023]

Among $TiF^{2-}_6 ,CoF^{3-}_6 ,Cu_2Cl_2$ and $NiCl^{2-}_4$ the colourless species  are 

Stainless steel is an alloy of