1. [(II A element), (III A metal)]
2. [(III A metal), (II A element)]
3. [(Transition metal in +3 state), (Transition metal in +2 state)]
4. [(II A element), (Transition metal in +2 state)]
[(II A element), (III A metal)]
1. 2-Ethyl-4-bromo aniline
2. 4-Bromo 2-ethyl aniline
3. 4-Bromo-2-ethyl benzene amine
4. 2-Ethyl-4-bromobenzene amine
4-Bromo-2-ethyl benzene amine
1. Formation of PbSO4
2. Reduction of Pb2+ to Pb
3. Formation of PbO2
4. Oxidation of Pb to Pb2+
Reduction of Pb2+ to Pb
1. Ionic radius of Feis greater than Fe
2. Atomic radius of chlorine atom is greater than the ionic radius of chloride ion
3. Electron affinity of phosphorus is greater than nitrogen
4. CS2O is strongly acidic in nature
Electron affinity of phosphorus is greater than nitrogen
1. Magnesium is precipitated
2. Zinc dissolves in the solution
3. Zinc chloride is formed
4. No reaction takes place
Magnesium is precipitated
1. BaO +O3 →BAO2 + O2
2. PbS+4O3 →PbSO4+4O2
3. H2O2+O3 →H2O+2O2
4. 2Hg+O3 →Hg2O+O2
BaO +O3 →BAO2 + O2
1. Charge on the ion only
2. Size of the ion only
3. Charge on the ion and size of the ion
4. Packing of its ions only
Charge on the ion and size of the ion
1.
2.
3.
4.
1. NO, NO2
2. NO2,SO2
3. NO3,SO3
4. N2O5SO3
N2O5SO3
1. II A group and 5th period
2. II A group and 2nd period
3. V A group and 2nd period
4. III A group and 5th period
II A group and 5th period