In the commercial electrochemical process for aluminium extraction, the electrolyte used is

  • [IIT 1999]
  • A

    $Al{(OH)_3}$ in $NaOH$ solution

  • B

    An aqueous solution of $A{l_2}{(S{O_4})_3}$

  • C

    A molten mixture of $A{l_2}{O_3}$ and $N{a_3}Al{F_6}$

  • D

    A molten mixture of $AlO(OH)$ and $Al{(OH)_3}$

Similar Questions

For the electrolytic refining of aluminium, the three fused layers consist of

Bottom Layer

Middle Layer

Upper Layer

If $B-Cl$ bond has a dipole moment, explain why $BCl_3$, molecule has zero dipole moment.

What is not true about borax ?

$(BN)_n$  exists in

Match List$-I$ with List$-II :$

List$-I$ List$-II$
$(a)$ $\mathrm{NaOH}$ $(i)$ Acidic
$(b)$ $\mathrm{Be}(\mathrm{OH})_{2}$ $(ii)$ Basic
$(c)$ $\mathrm{Ca}(\mathrm{OH})_{2}$

$(iii)$ Amphoteric

$(d)$ $\mathrm{B}(\mathrm{OH})_{3}$  
$(e)$ $\mathrm{Al}(\mathrm{OH})_{3}$  

Choose the most appropriate answer from the option given below :

  • [JEE MAIN 2021]