Anhydrous $AlC{l_3}$ is obtained from
$HCl$ and aluminium metal
Aluminium and chlorine gas
Hydrogen chloride gas and aluminium metal
None of the above
(c) $2Al + 6HCl \to 2AlC{l_3} + 3{H_2}$
In the extraction of aluminium, bauxite is dissolved in cryolite because
Describe the shapes of $BF $$_{3}$ and $BH _{4}^{-}$. Assign the hybridisation of boron in these species.
If $B-Cl$ bond has a dipole moment, explain why $BCl_3$ molecule has zero dipole moment.
If $B-Cl$ bond has a dipole moment, explain why $BCl_3$, molecule has zero dipole moment.
In the following sets of reactants which two sets best exhibit the amphoteric characters of $Al_2O_3. xH_2O$ ?
Set $1$: $Al_2O_3 .xH_2O\, (s)$ and $OH^-(aq)$
Set $2$: $Al_2O_3 .xH_2O\, (s)$ and $H_2O\,(l)$
Set $3$: $Al_2O_3 .xH_2O\, (s)$ and $H^+(aq)$
Set $4$: $Al_2O_3 .xH_2O\, (s)$ and $NH_3(aq)$
Confusing about what to choose? Our team will schedule a demo shortly.
