NEET UG CHEMISTRY MCQ: CO-ORDINATION COMPOUNDS

1 Medium

1 of 1

Remembering +4 | -1

In the change

\left[{Cu}\left({H}_2 {O}_6\right)\right]^{2+} \stackrel{{HCl}}{\longrightarrow}\left[{CuCl}\left({H}_2 {O}\right)_5\right]^{+}

, the colour changes from

View answer and explanation

Correct option: B

Blue to pink

Option B is correct because the addition of HCl to [Cu(H2O)6]2+ results in the replacement of water ligands with chloride ligands, leading to a change in color from blue to pink.

More Questions from CO-ORDINATION COMPOUNDS

Practice All Chapter MCQs →

The complexes

\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{\;}

are example for isomerism The total number of stereoisomers for the complex

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

(where

\text{ox =}

oxalate) is The value of

x

on the

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

is: Excited state configuration of

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

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

decolourises on addition of KCN, the product is: The IUPAC name of

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