Medium
How are metals used as semiconductors refined? What is the principle of the method used for $Ge$,$Si$,etc.?
(N/A) $Ge$,$Si$,$B$,and $In$ are refined by the $Zone \ refining$ method. The method is based on the principle that impurities are more soluble in the molten state of the metal than in the solid state.
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Similar Questions
The metal that can be purified economically by fractional distillation method is:
Which method is used for refining $Zr$ and $Ti$? Explain with equations.
Medium
View SolutionThe zone refining method is used for which of the following?
Medium
View SolutionMatch the elements in Column-$I$ with methods of purification in Column-$II$.
Column-$I$ Column-$II$ $(a)$ Boron $(i)$ Van Arkel method $(b)$ Tin $(ii)$ Mond's process $(c)$ Zirconium $(iii)$ Liquation $(d)$ Nickel $(iv)$ Zone refining
| Column-$I$ | Column-$II$ |
| $(a)$ Boron | $(i)$ Van Arkel method |
| $(b)$ Tin | $(ii)$ Mond's process |
| $(c)$ Zirconium | $(iii)$ Liquation |
| $(d)$ Nickel | $(iv)$ Zone refining |
MediumNEET 2020
View SolutionThe formation of $Ni(CO)_4$ and its subsequent decomposition into $Ni$ and $CO$ forms the basis of the Mond process.
$Ni + 4CO$ $\xrightarrow{T_1} Ni(CO)_4$ $\xrightarrow{T_2} Ni + 4CO$
What are the values of $T_1$ and $T_2$?
$Ni + 4CO$ $\xrightarrow{T_1} Ni(CO)_4$ $\xrightarrow{T_2} Ni + 4CO$
What are the values of $T_1$ and $T_2$?
Medium
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