Given below are two statements:
Statement $I$: Group $13$ trivalent halides get easily hydrolyzed by water due to their covalent nature.
Statement $II$: $\mathrm{AlCl}_3$ upon hydrolysis in acidified aqueous solution forms octahedral $\left[\mathrm{Al}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}$ ion.
In the light of the above statements, choose the correct answer from the options given below :
Statement $I$ is true but statement $II$ is false
Statement $I$ is false but statement $II$ is true
Both statement $I$ and statement $II$ are false
Both statement $I$ and statement $II$ are true
During the borax bead test with $CuSO _4$, a blue green colour of the bead was observed in oxidising flame due to the formation of
In $B_2H_6$
Moissan boron is
The hardest substance amongst the following is
For the electrolytic refining of aluminium, the three fused layers consist of
Bottom Layer |
Middle Layer |
Upper Layer |