Which one of the following statements about boron and aluminium is INCORRECT?
A. Both exhibit oxidation state of +3.
B. Both form oxides of the formula M2O3.
C. Both form trihalides, MX3.
D. Both form amphoteric oxides.
Answer:D
Which one of the following statements about boron and aluminium is INCORRECT?
A. Both exhibit oxidation state of +3. B. Both form oxides of the formula M2O3. C. Both form trihalides, MX3. D. Both form amphoteric oxides.