Analytical Chemistry — Chemistry STD 10 — Question

Select from the list given (a to e) one substances in each case which matches the description given in parts (i) to (v). (Note : Each substance is used only one in the answer)
(a) Nitroso Iron (II) Sulphate
(b) Iron (III) chloride
(c) Chromium sulphate
(d) Lead (II) chloride
(e) Sodium chloride
(i) A compound which is deliquescent
(ii) A compound which is insoluble in cold water, but soluble in hot water
(iii) The compound responsible for the brown ring during the brown ring test of nitrate iron
(iv) A compound whose aqueous solution is neutral in nature
(v) The compound which is responsible for the green colouration when sulphur dioxide is passed through acidified potassium dichromate solution.

Write the equation for the laboratory preparation of the following salts, using sulphuric acid.
Copper sulphate from copper.

Electrolytic deposition of a superior metal on a bases metal.

Name the following:
The mixture of materials fed into a furnace to extract a metal.

Drying agent for hydrogen chloride gas.

Write the probable colour of the following salts:
Aluminium acetate

What would you observe in the following case?
Dilute sulphuric acid is added to ferrous sulphate solution.