Which of the following anions are orange in colour?
Permanganate ion
Dichromate ion
Sulphate ion
Chloride ion
Dichromate ion is orange in colour.
The colour of permanganate ion is pink or purple.
Chromate ion is yellow in colour.
Chloride and sulphate ions are colourless.
Which law is represented by the following expression?
For a positive colloid the order of precipitation is : Phosphate ion>sulphate ion >chloride ion.
The reaction given below is an example of: Ba(OH)2(s)+2CuCNS(s)→Ba(CNS)2(aq)+2CuOH(s)