Q. Consider the following statements.
I. Sodium dichromate is less soluble than potassium dichromate.
II. Crystals of potassium dichromate are of orange colour.
III. The chromates and dichromates are interconvertible in aqueous solution depending upon of the solution.
IV. The oxidation state of chromate and dichromate is different.
The correct statements are

 1011  156 The d-and f-Block Elements Report Error

Solution:

Sodium dichromate is less soluble than potassium dichromate. Colour of sodium dichromate and potassium dichromate is orange. The chromates and dichromates are interconvertible in aqueous solution depending upon of the solution. The oxidation state of chromate and dichromate is same.