1. H2SO4with NaOH
2. In atmosphere, O3from O2 by lightning
3. Nitrogen oxides from nitrogen and oxygen by lightning
4. Evaporation of H2O
Nitrogen oxides from nitrogen and oxygen by lightning
1. N2O
2. NO2-
3. NH2 OH
4. N2H4
NH2 OH
1. Oxidation
2. Reduction
3. Neither reduction nor oxidation
4. Both oxidation or reduction
Reduction
1. Zn is reduced to Zn2+
2. Zn is oxidized to Zn2+
3. Zn2+is oxidized to Zn2
4. Cu2+ is oxidized to Cu
Zn is oxidized to Zn2+
1. HNO3
2. Cl2
3. FeCl3
4. All of these
All of these
1. H2O2
2. Na2O2
3. OF2
4. H2O
OF2
1. NO2→NO2-
2. NO3-→NO
3. NO3-→NH4+
4. NH4+→N2
NH4+→N2
1. Strong intramolecular
2. Weak intramolecular
3. Weak intermolecular
4. Strong intermolecular
Strong intermolecular
1. Same as that of proton
2. Slightly less than that of a proton
3. Slightly more than that of a proton
4. much different from that of a proton
Slightly more than that of a proton
1. V/T=k
2. VT=k
3. VT= n RT
4. V-T=k
V/T=k