1. R
2. S
3. Z
4. E
R
1. presence of HCl decreases the sulphide ion concentration
2. presence of HCl increases the sulphide ion concentration
3. solubility product of group II sulphides is more than that of group IV sulphides
4. sulphides of group IV cations are unstable in HCl
presence of HCl decreases the sulphide ion concentration
1. CO2
2. SO2
3. ClO2
4. SiO2
ClO2
1. cis-[Pt (NH3)2 Cl2]
2. trans-[Co (en)2 Cl2]
3. trans-[Pt (NH3)2 Cl2]
4. cis-[Co (en)2 Cl2]
trans-[Co (en)2 Cl2]
1. - 41 kJ mol-l
2. - 1224 kJ mol-l
3. - 284 kJ mol-l
4. - 82 kJ mol-l
- 82 kJ mol-l
1. HClO < HClO2 < HClO3 < HClO4
2. HClO4 < HClO < HClO2 < HClO3
3. HClO2 < HClO3 < HClO4 < HClO
4. HClO4 < HClO3 < HClO2 < HClO
HClO < HClO2 < HClO3 < HClO4
1. lesser energy difference between 5f and 6d orbitals than between 4f and 5d orbitals
2. larger atomic size of actinides than the lanthanides
3. more energy difference between 5f and 6d orbitals than between 4f and 5d orbitals
4. greater reactive nature of the actinides than the lanthanides
lesser energy difference between 5f and 6d orbitals than between 4f and 5d orbitals
1. Cl < F < S < O
2. O < S < F < Cl
3. S < O < Cl < F
4. F < Cl < O < S
O < S < F < Cl
1. 22.4 L
2. 32.8 L
3. 5.6 L
4. 11.2 L
5.6 L
1. chromatography
2. crystallisation
3. distillation
4. sublimation
sublimation