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p-Block Elements - I
easy
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
Solution
(d) Iron oxide impurity -Baeyer’s process
Silica impurity -Serpeck’s process
Standard 11
Chemistry
Similar Questions
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 :
