`VO_(4)^(-), CrO_(4)^(2-)` and `MnO_(4)^(-)`are pale yellow, strong yellow and intense purple respectively in aqeous solution. The darkening of colour is due to

VO_(4)^(-),CrO_(4)^(-2) " and " MnO_(4)^(-2) are pale yellow strong yellow and intense purpce respectively in aqueous solution. The darkening colour is due to

CrO_(4)^(-2),MnO_(4)^(-) ions are coloured due to

The purple colour of KMnO_4 is due to

The purple colour of KMnO_4 is due to ___

A metal nitrate solution does not give white precipitate with concentrated hydrochloric acid but on dilution with water produces a white precipitate. The metal nitrate solution with K_(2)CrO_(4) and Na_(2)HPO_(4) reagents gives red and yellow precipitates respectively which are soluble in ammonia solution. The cation of the metal nitrate is:

PbCrO_(4) is yellow in colour due to

Human urine is pale yellow colour due to presence of

Solution of MnO_(4)^(-) is purple - coloured due to