Which of the following structure is similar to graphite ?
$B_4C$
$B_2H_6$
$BN$
$B$
Purification of aluminium done by electrolytic refining is known as
Choose the Incorrect statement/ reaction
Which metal burn in air at high temperature with the evolution of much heat
Given below are two statements :
Statement $I$: In group $13$, the stability of $+1$ oxidation state increases down the group.
Statement $II$: The atomic size of gallium is greater than that of aluminium.
In the light of the above statements, choose the most appropriate answer from the options given below:
Anhydrous $ALCl_3$ is covalent however,when it is dissolved in water hydrared ionic species are formed. This transformation is owing to