Which of the following is formed when aluminium oxide and carbon is strongly heated in dry chlorine gas
Aluminium chloride
Hydrate aluminium chloride
Anhydrous aluminium chloride
None of these
Aluminium is a self-preserving metal, because
When $B_2H_6 + NH_3(excess)$ at very high temperature $(> 200\,^oC$) is formed
Which of the following is correct ?
In some of the reactions thallium resembles aluminium, whereas in others it resembles with group $-I$ metals. Support this statement by giving some evidences.
How would you explain the lower atomic radius of $Ga$ as compared to $Al$?