Colour Of Transition Elements - Practice Questions & MCQ

 turn lead acetate paper black                 

 turns lime water milky

 gives both of the above tests                    

 gives none of the above tests

Charge transfer transition in both.

$\mathrm{d} \rightarrow \mathrm{d}$ transitions in $\mathrm{KMnO}_4$ and charge transfer transitions in $\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7$

$\mathrm{d} \rightarrow \mathrm{d}$ transitions in $\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7$ and charge transfer transitions in $\mathrm{KMnO}_4$.

$\mathrm{d} \rightarrow \mathrm{d}$ transitions in both

$\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O} _7$

$\mathrm{CuSO}_4 .5 \mathrm{H}_2 \mathrm{O}$

$\mathrm{KMnO}_4$

$\mathrm{K}_2 \mathrm{CrO}_4$