Which of the following is not true about potash alum
Its empirical formula is $KAl{(S{O_4})_2}.12{H_2}O$
Its aqueous solution is basic
It is used in dyeing industries
On heating it melts in its water of crystallization
A layer of coke is spread over bauxite during electrolytic reduction of alumina by Hall-Heroult process. This layer acts as a/an:
The Lewis acid character of boron tri halides follows the order:
How can you explain higher stability of $BCl_3$ as compared to $TlCl_3$ ?
In the thermite process the reducing agent is
$AlC{l_3}$ is