1. Remains same
2. Increases
3. Decreases
4. None of theses
Remains same
1. Gain of electrons
2. Loss of an electronegative radical
3. Undergo decrease in the oxidation number of one of its atoms
4. Undergo any one of the above changes
Undergo any one of the above changes
1. SO2
2. NO2
3. CO2
4. ClO2
CO2
1. +6
2. -6
3. +7
4. +4
+6
1. + 3
2. + 2
3. + 1
4. - 1
+ 1
1. C2H6
2. C6H6
3. CH3Cl
4. C12H22O11
C12H22O11
1. Na has been oxidized while Cl2 has been reduced
2. Na has been oxidized while Cl2 has been oxidized
3. No substance has been oxidized or reduced as it is not a redox reaction
4. NaCl cannot be obtained by this reaction
Na has been oxidized while Cl2 has been reduced
1. Bleaching
2. Metallurgy
3. Combustion
4. Respiration
Combustion
1. MnO2
2. Mn3O4
3. K2MnO4
4. MnSO4
K2MnO4
1. Increases from -1 to +2
2. Decreases from +3 to +2
3. Decreases from +7 to +2
4. Remains unchanged
Decreases from +7 to +2