Chemistry
Identity the substance 'R' based on the information given below : The pale green solid 'R' turns reddish brown on heating. It's aqueous solution gives a white precipitate with barium chloride solution. The precipitate is insoluble in mineral acids.
Related Questions
The salt which in solution gives a pale green ppt. with NaOH soln. and a white ppt. with barium chloride solution is :
- Iron (III) sulphate
- Iron (II) sulphate
- Iron (II) chloride
- Iron (III) chloride
CO2 and SO2 gas can be distinguished using :
- moist blue litmus paper
- lime water
- acidified K2Cr2O7 paper
- none of the above.
Give one test each to distinguish between the following pairs of chemical solutions:
(i) ZnSO4 and ZnCl2
(ii) FeCl2 and FeCl3
(iii) Calcium nitrate soln. and Calcium chloride soln.
Select the correct answer from A, B, C, D and E –
(A) : Nitroso Iron (II) sulphate
(B) : Iron (III) chloride
(C) : Chromium sulphate
(D) : Lead (II) chloride
(E) : Sodium chloride.
The compound which is responsible for the green colour formed when SO2 is bubbled through acidified potassium dichromate solution.