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General Principles and processes of Isolation of Elements
medium
Match list $I$ with list $II$ and select the correct answer using the codes given below the lists
| List $I$ | List $II$ | ||
| $I.$ | Cyanide process | $A.$ | Ultrapure $Ge$ |
| $II.$ | Floatation process | $B.$ | Pine oil |
| $III.$ | Electrolytic reduction | $C.$ | Extraction of $Al$ |
| $IV.$ | Zone refining | $D.$ | Extraction of $Au$ |
A
$I-C,\, II-A,\, III-D,\, IV-B$
B
$I-D,\,II-B,\,III-C,\,IV-A$
C
$I-C,\,II-B,\,III-D,\, IV-A$
D
$I-D,\,II-A,\,III-C,\,IV-B$
(AIIMS-2013)
Solution
Cyanide process is for gold $(I-D)$ ;
floatation process – pine oil $(II-B)$ ;
Electrolytic reduction $- Al\, (III-C)$ ;
Zone refining $-Ge$ $(IV-A)$ .
Standard 12
Chemistry
Similar Questions
Correct match the List- $I$ with List- $II$
| List- $I$ | List- $II$ |
| $(P)\, [M(CN)_2]^-$ | $(1)$ $Ni$ (during refining of metal) |
| $(Q)\, [M(CO)_4]$ | $(2)\, Ti$ (during refining of metal) |
| $(R)\, MI_4$ | $(3)\, Pb$ (during roasting of ore) |
| $(S)\, MO$ | $(4)\, Ag$ (during leaching of ore) |
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