For purification of alumina, the modern processes most useful when $(i)$ the impurity present is a lot of iron oxides and $(ii)$ the impurity present is a lot of silica, are
For purification of alumina, the modern processes most useful when $(i)$ the impurity present is a lot of iron oxides and $(ii)$ the impurity present is a lot of silica, are
- A
For $(i)$ Hall's process; for $(ii)$ Baeyer's process
- B
For $(i)$ Hall's process; for $(ii)$ Serpeck's process
- C
For $(i)$ Serpeck's process; for $(ii)$ Baeyer's process
- D
For $(i)$ Baeyer's process; for $(ii)$ Serpeck's process
Similar Questions
How would you explain the lower atomic radius of $Ga$ as compared to $Al$?
How would you explain the lower atomic radius of $Ga$ as compared to $Al$?
Complete the following chemical equations :
$Z + 3LiAl{H_4} \to X + 3LiF + 3Al{F_3}$
$X + 6{H_2}O \to Y + 6{H_2}$
$3X + 3{O_2}\xrightarrow{\Delta }{B_2}{O_3} + 3{H_2}O$
Complete the following chemical equations :
$Z + 3LiAl{H_4} \to X + 3LiF + 3Al{F_3}$
$X + 6{H_2}O \to Y + 6{H_2}$
$3X + 3{O_2}\xrightarrow{\Delta }{B_2}{O_3} + 3{H_2}O$
Aluminium chloride exists as dimer, $A{l_2}C{l_6}$ in solid state as well as in solution of non-polar solvents such as benzene. When dissolved in water, it gives
Aluminium chloride exists as dimer, $A{l_2}C{l_6}$ in solid state as well as in solution of non-polar solvents such as benzene. When dissolved in water, it gives
- [AIEEE 2004]
The incorrect stability order of $+3$ and $+1$ states of $13^{th}$ group elements (boron family) is
The incorrect stability order of $+3$ and $+1$ states of $13^{th}$ group elements (boron family) is
Discuss the pattern of variation in the oxidation states of
$(i)$ $B$ to $Tl$ and $(ii)$ $C$ to $Pb$.
Discuss the pattern of variation in the oxidation states of
$(i)$ $B$ to $Tl$ and $(ii)$ $C$ to $Pb$.