Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
DifficultMetals are extracted by other methods through the formation of complexes. The complexes formed in these methods are: $I$: Cyanide process,$II$: Mond process,$III$: Photographic fixing process.
- A$(I) [Ag(NH_3)_2]Cl, (II) Ni(CO)_4, (III) [Ag(CN)_2]^{-}$
- B$(I) [Cd(CN)_4]^{2-}, (II) Ni(CO)_4, (III) [Ag(S_2O_3)_2]^{3-}$
- C$(I) [Ag(CN)_2]^{-}, (II) Ni(CO)_4, (III) [Ag(S_2O_3)_2]^{3-}$
- D$(I) [Ag(CN)_2]^{-}, (II) [Ag(S_2O_3)_2]^{3-}, (III) Ni(CO)_4$
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Similar Questions
Read the following statements :
$(I)$ $Al$ has greater affinity than that of $Cr$ for oxygen
$(II)$ $Al$ can be used for reduction of $Fe_2O_3$
$(III)$ Carbon is used for reduction of $PbO$
$(IV)$ $SnO_2$ can be reduced by carbon
Choose the correct set of statement$(s)$:
$(I)$ $Al$ has greater affinity than that of $Cr$ for oxygen
$(II)$ $Al$ can be used for reduction of $Fe_2O_3$
$(III)$ Carbon is used for reduction of $PbO$
$(IV)$ $SnO_2$ can be reduced by carbon
Choose the correct set of statement$(s)$:
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View SolutionTo obtain steel entirely free from sulphur and phosphorus,the process used is
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View SolutionThe reaction that does $NOT$ take place in a blast furnace between $900 \ K$ to $1500 \ K$ temperature range during the extraction of iron is:
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View SolutionOne of the constituents of German silver is:
Which of the following reactions does not occur in the Bessemer converter?
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