Electrovalency And Covalency Jamb Chemistry Past Questions
Question 1
A colourless organic compound X was burnt in excess air to give two colourless and odourless gases, Y and Z, as products. X does not decolorize blue bromine vapour, Y turns lime milky while Z gives a blue colour with copper (ll) tetraoxosulphate (IV).
Y and Z are respectively?
- A. CO2 and NH3
- B. CO and NH3
- C. SO2 and H2O
- D. CO2 and H2O
- E. SO2 and NH3
