Introduction to Inorganic Chemistry
Trending Questions
Q. Which one of the following processes will produce hard water ?
- Saturation of water with MgCO3
- Saturation of water with CaSO4
- Addition of Na2SO4 to water
- Saturation of water with CaCO3
Q. The compound that does not produce nitrogen gas by thermal decomposition is:
- (NH4)2SO4
- Ba(N3)2
- (NH4)2Cr2O7
- NH4NO2
Q.
NaCl, CsCl are the example of
cubic crystal system
tetragonal crystal system
orthorhombic crystal system
- rhombohedral crystal system
Q. Which metal salt gives a green coloured bead in the sodium carbonate bead test?
- Mn2+
- Co2+
- Ni2+
- Fe2+
Q. Passing H2S gas into mixture of Mn2+, Ni2+, Cu2+ and Hg2+ ions in an acidified aqueous solution precipitates:
- MnS and NiS
- NiS and HgS
- MnS and CuS
- CuS and HgS
Q. Which of the following statement(s) is/are correct regarding group V cations?
- Sr2+ ions have a crimson coloured flame.
- The Group V cations are precipitated as their carbonates which dissolve in acetic acid due to the formation of corresponding acetates.
- All of the above.
- Ba2+ ions have a grassy green coloured flame.
Q. Group reagent for the precipitation of group II basic radicals for the qualitative analysis is :
- None of the above
- NH4Cl(solid)+NH4OH(solution)+H2S
- (NH4)2CO3 solution
- dil.HCl+H2S
Q. Solution 'A' gives a white sulphide precipitate with group IV reagent. Its precipitate dissolves in dil.HCl to give solution 'B'. A bluish white precipitate appears when potassium ferrocyanide K4[Fe(CN)6] solution is added to the solution 'B' after neutralisation by NH4OH solution. The cation present in solution 'A' is