Calculate the weight of copper sulphate formed when 128 gm of copper are added to concentrated sulphuric acid. What is the volume of sulphur dioxide liberated at the same time?

Write with equation what happen when: Formic acid is heated with concentrated sulphuric acid.

Which compound is formed when excess of KCN is added to an aqueous solution of copper sulphate

What is the volume of concentrated H_2SO_4 that will be required to prepare 2L of a 5(M) sulphuric acid solution?

An electric current is passed through three cells in series containing respectively solutions of copper sulphate, silver nitrate and potassium iodide. What weights of silver and iodine will be liberated while 1.25 g of copper is being deposited ?

State with equations, what happens when (any five) : (7) Al powder is added to copper sulphate solution.

What happens when KI solution is added to an aqueous solution of copper sulphate?

What is the coordination entity formed when excess of aqueous KCN is added to aqueous solution of CuSO_(4) ? Why is it that no precipitate of copper sulphide is obtained when H_(2)S(g) is passed through this solution ?

When 3 volume of a gaseous organic compound of carbon, hydrogen & sulphur mixed with excess oxygen is exploded, 3 volumes of carbon dioxide, 3 volumes of sulphur dioxide and 6 volumes of water vapour are produced. What is the formula of the compound?

When same amount of zinc is treated separately with excess of sulphuric acid and excess of sodium hydroxide solution, the ratio of volumes of hydrogen evolved is:

When concentrated sulphuric acid was added to an unknown salt present in a test tube a brown gas A was evolved. This gas intensified when copper turnings were added to this test tube. On cooling, gas A changed into a colourless solid B . Write the structures of A and B .