1. Remains same
2. Increases
3. Decreases
4. None of theses
Remains same
1. Cracking
2. Coke
3. Roasting
4. Bleaching
Roasting
1. + 2
2. + 3
3. - 2
4. - 3
+ 3
1. SO2
2. NO2
3. CO2
4. ClO2
CO2
1. Manganese dioxide
2. Manganese chloride
3. Manganese sulphate
4. Potassium permanganate
Potassium permanganate
1. Dissociation
2. Reduction
3. Oxidation
4. Electrolysis
Reduction
1. Gain of electrons
2. Loss of an electronegative radical
3. Gain of electropositive radical
4. Increase in the oxidation number of one of the atoms
Increase in the oxidation number of one of the atoms
1. 3.5
2. 1.5
3. -2.5
4. 2.5
2.5
1. 4NH3+5O2→4 NO +6H2O
2. 2NO+3I2+4H2O→2NO-3+6I-+8H+
3. 2NO+H2SO3→ N2 O+H2SO4
4. 2NO+H2S→ N2O+S+H2O
2NO+3I2+4H2O→2NO-3+6I-+8H+
1. HNO3:+5
2. NH2OH:+1
3. (N2H5)2SO4:+2
4. Mg3N2:-3
Mg3N2:-3