1. +5, +4, +3
2. +3, +4, +5
3. +3, +5, +4
4. +5, +3, +4
+3, +4, +5
1. He
2. Ne
3. Ar
4. Kr
Ar
1. Linear chain silicate
2. Sheet silicate
3. Pyrosilicate
4. Three dimensional
Pyrosilicate
1. Al2O3 with NaCl in solid state
2. A mixture of Al2O3 and carbon in dry Cl2 gas
3. Al2O3 with Cl2 gas
4. Al2O3 with HCl gas
A mixture of Al2O3 and carbon in dry Cl2 gas
1. H2
2. SO42-
3. SO4
4. O2
O2
1. 6, 6
2. 5, 5
3. 5, 6
4. 6, 5
6, 6
1. B2H6
2. CH4
3. H2O
4. NH3
B2H6
1. SO2
2. NO2+
3. O3
4. NO2-
NO2+
1. C60 is an allotropic form of carbon
2. O3 is an allotropic form of oxygen
3. S8 is an allotropic form of sulphur
4. Red phosphorus is more stable in air than white phosphorus
Red phosphorus is more stable in air than white phosphorus
1. The order of their acidity is H3PO4>H3PO3>H3PO2
2. All of them are reducing in nature
3. All of them are tribasic acids
4. The geometry of phosphorus is tetrahedral in all the three
The geometry of phosphorus is tetrahedral in all the three