The colour of ${\rm{CoC}}{{\rm{l}}_3} \cdot 5{\rm{N}}{{\rm{H}}_3} \cdot {{\rm{H}}_2}{\rm{O}}$ is:

NEET UG CHEMISTRY MCQ: CO-ORDINATION COMPOUNDS

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The colour of

\mathrm{CoC}{\mathrm{l}_3} \cdot 5\mathrm{N}{\mathrm{H}_3} \cdot {\mathrm{H}_2}\mathrm{O}

is:

View answer and explanation

Correct option: D

Pink

The correct answer is D (Pink) because

\mathrm{CoCl}_3 \cdot 5\mathrm{NH}_3 \cdot {\mathrm{H}_2}\mathrm{O}

exhibits a pink color due to its specific coordination environment.

Practice All Chapter MCQs →

\left[ {\mathrm{PtC}{\mathrm{l}_2}{{\left( {\mathrm{N}{\mathrm{H}_3}} \right)}_4}} \right]\mathrm{B}{\mathrm{r}_2}\mathrm{\;and\;}\left[ {\mathrm{PtB}{\mathrm{r}_2}{{\left( {\mathrm{N}{\mathrm{H}_3}} \right)}_4}} \right]\mathrm{C}{\mathrm{l}_2}\mathrm{\;}

\left[\mathrm{Cr}(\mathrm{Ox})_{2} \mathrm{ClBr}\right]^{3-}

\text{ox =}

x

{\left[ {\mathrm{Ni}{{\left( {\mathrm{CN}} \right)}_4}} \right]^x}

\mathrm{M}{\mathrm{n}^{2 + }}

\mathrm{CuS}{\mathrm{O}_4}

{\mathrm{K}_2}\left[ {\mathrm{Ni}{{\left( {\mathrm{CN}} \right)}_4}} \right]