In Hall’s process, the main reagent is mixed with
$NaF$
$N{a_3}Al{F_6}$
$Al{F_3}$
None of these
The formation of molecular complex $BF_3 - NH_3$ results in a change in hybridization of boron
Given below are two statements :
Statement $I$ : Gallium is used in the manufacturing of thermometers.
Statement $II$ : A thermometer containing gallium is useful for measuring the freezing point ( $256 \mathrm{~K}$ ) of brine solution.
In the light of the above statement, choose the correct answer from the options given below :
Draw structure of diboren.
Anhydrous $AlC{l_3}$ is obtained from
The ionic carbide is