1. Monobasic and weak Lewis acid
2. Monobasic and weak Bronsted acid
3. Monobasic and strong Lewis acid
4. Tribasic and weak Bronsted acid
Monobasic and weak Lewis acid
1. H3PO4
2. H3PO2
3. H3BO3
4. H3PO3
H3PO3
1. PCl3
2. AsCl3
3. BCl3
4. NCl3
NCl3
1. C2H6
2. C2H2
3. C2H4
4. CH4
C2H2
1. CCl4
2. SiCl4
3. SiCl4
4. PbCl4
CCl4
1. HClO
2. HClO2
3. HClO4
4. HClO3
HClO4
1. sp2,sp3
2. sp3,sp3
3. sp3,sp2
4. sp3,sp2d
sp3,sp3
1. +2, +5
2. +2, +6
3. +3, +6
4. +6, +6
+2, +6
1. NNN-
2. CNO
3. RCOO
4. OCN
RCOO
1. ZnO
2. SO2
3. B2O3
4. Na2O
ZnO