Which of the following does not exist in free form
$B{F_3}$
$BC{l_3}$
$BB{r_3}$
$B{H_3}$
Which of the following mineral does not contain aluminium?
Boric acid is an acid because its molecule
When $AlCl_3·6H_2O$ is strongly heated, then it forms
The function of fluorspar in the electrolytic reduction of alumina dissolved in fused cryolite $(Na_3AlF_6)$ is :
$BCl_3$ does not exist as dimer but $BH_3$ exist as dimer $(B_2H_6)$ becuase