Which of the following statement is incorrect
| A. |
Boron show only +3 oxidation state while other all show +1 as well as +3 oxidation state |
| B. |
Stability of +1 oxidation state decreases top to bottom along group 13 |
 |
| C. |
Compound of Ti(I) show great resembles with alkali metals |
| D. |
Aluminium trichloride occurs as dimeric structure |
Stability of +1 oxidation state increases top to bottom due to inert pair effect. Which reductant the participation of inner s electrons to participate in bond formation due to presence of electrons in deep.