On adding excess of NH3 solution CuSO4 solution, the dark blue colour is due to
Excess of KI reacts with CuSO4 solution and then Na2S2O3 solution is added to it. Which of the statement is incorrect for this reaction?
When metallic copper comes in contact with moisture, a green powder/pasty coating can be seen over it. This is chemically known as
One of the product formed when K2Cr2O7 reacts with conc H2SO4 in cold is
Copper sulphate solution reacts with KCN to give
Which of the following is not oxidized by O3?
Which of the following compounds volatises on heating?
Acidified solution of chromic acid on treatment with hydrogen peroxide yields
Prussian blue is due to formation of
Which statement is not correct?